When 3D printing, one of the biggest challenges is ensuring successful adhesion to the build platform. This is where a raft comes into play. A raft enhances stability, improves print quality, and minimizes warping. Understanding its purpose and benefits can significantly elevate your 3D printing outcomes,making every project smoother and more efficient.
Understanding the Role of Rafts in 3D Printing
3D printing enthusiasts often encounter challenges when it comes to ensuring the stability and adhesion of their printed models. One effective solution to enhance the quality of your prints is the use of rafts.A raft serves as a critical foundational layer that provides numerous advantages during the printing process.
The Purpose of Rafts in 3D Printing
When you begin a print job, the adhesion of the first layer is crucial for the rest of the print.A raft enhances this adhesion and acts as a buffer between the build plate and the printed object, ensuring a reliable first layer. Hear are some of the primary purposes rafts serve:
- Improved Adhesion: A raft gives your model a larger surface area to cling to,reducing the risk of warping or detaching from the build platform.
- Surface Irregularities: Not all build plates are perfectly smooth. Rafts can compensate for minor imperfections, creating a level base for printing.
- Dimensional Accuracy: By providing a stable foundation, rafts can help maintain the dimensional accuracy of your prints, particularly for intricate or detailed designs.
- Ease of Removal: Once the print is complete, the raft can usually be removed without damaging the model, making post-processing simpler.
Benefits of Using Rafts
Incorporating a raft into your 3D printing process offers several advantages that can significantly improve the overall results. Below are some key benefits:
| Benefit | Description |
|---|---|
| Supports Large Prints | Rafts provide a solid base that minimizes the risks of large prints tipping over or failing due to inadequate support. |
| reduces Print Failures | By enhancing stability, rafts significantly cut down on wasted filament and time spent on recalibrating after unsuccessful print attempts. |
| Facilitates Different Materials | when using materials prone to warping (like ABS), rafts can be essential to ensure a successful print. |
equips you with a powerful tool to optimize your prints and enhance your overall experience. With improved adhesion, functionality, and ease of use, rafts can be a game-changer, especially for complex or large-scale projects. Whether you are a beginner or an experienced maker, incorporating rafts into your workflow can provide the support and stability needed for flawless prints.
How Rafts Enhance Print Stability and Adhesion
Creating a stable foundation is crucial in 3D printing, which is where rafts truly shine. When you think about how a house stands firm against the wind, consider a raft as the sturdy base that guarantees your prints adhere well to the build plate, reducing the risk of warping and improving the overall quality of the final product.
The Mechanism of Raft Design
A raft consists of several layers of filament that are extruded beneath your 3D model.this simple yet effective construction does more than just offer a larger surface area for adhesion. It significantly reduces the chances of deformation during the printing process. Here are several ways that rafts contribute to stability and adhesion:
- Increased Surface Area: Rafts expand the area that the filament can attach to, which is especially beneficial for models with smaller bases or intricate designs.
- Absorption of Heat Variations: Materials can expand and contract due to temperature fluctuations. Rafts provide a buffer, distributing heat evenly and minimizing stress concentrations.
- Alignment Support: when using the raft, the first layers of your print can adhere more consistently.This prevents the model from shifting or warping during the initial stages.
Practical Examples of Raft Benefits
Consider a situation where you’re printing a complex architectural model with thin spires and features. The narrow points have a higher likelihood of detaching from the build plate,especially with materials like PLA or ABS which tend to warp. In this case, implementing a raft can definitely help by providing a breastplate of stability beneath the whole structure, ensuring that even the finest details remain perfectly in place throughout the printing process.
the table below summarizes some key differences in print stability and adhesion when using rafts versus when printing directly on the build plate:
| Factor | With Raft | Without Raft |
|---|---|---|
| Adhesion Strength | High – increased surface area promotes better grip | Moderate – Limited surface may lead to detachment |
| Warping Risk | Lower - Buffers against thermal stress | Higher – Thin features more likely to warp |
| Print Quality | Improved – Enhanced stability yields finer details | Often Reduced – Uneven base may affect quality |
By incorporating rafts into your 3D printing workflow, you fundamentally enhance the success of your projects. Whether you’re an experienced maker or just starting your 3D printing journey, understanding how to utilize this tool is crucial for producing high-quality prints.
The Technical Anatomy of a 3D Printing Raft
The interplay of adhesion and stability is crucial in the realm of 3D printing,and this is where the concept of a raft comes into play. A raft serves as a foundational layer that enhances the successful deployment of complex prints by providing an optimal surface for adhesion. It is essentially a series of extruded lines that create a grid on the print bed, helping to mitigate issues related to warping and improve the overall surface finish of the print.
Understanding the Structure of a Raft
A raft consists of multiple layers that are meticulously designed to support the final printed object. This structure typically includes:
- Base Layer: The bottom layer adheres to the print bed and ensures stability. It is usually thicker to counteract any fluctuations in bed temperature and to provide a solid anchor.
- Interface Layers: These layers serve as a buffer between the print and the base, aiding in better adhesion while allowing for easier removal of the final print.
- Final Layer: This is the layer directly beneath the printed object, designed to provide a smooth surface that can enhance the quality of the bottom side of the print.
Benefits of Using a Raft
Implementing a raft can significantly improve the reliability of prints, particularly in challenging geometries or with materials prone to warping. Here are some key benefits:
- Improved Adhesion: Rafts enhance the overall adhesion of a print,reducing the likelihood of it detaching from the build plate during the printing process.
- Compensation for Unevenness: They can mask minor imperfections and warps in the print bed,providing a more level surface for the print to adhere to.
- Enhanced Surface Finish: The base layer provides a finer bottom finish, which can yield a more aesthetically pleasing final product.
By allowing the third dimension of attachment and support, rafts become an essential technique in overcoming one of the most common challenges in 3D printing: ensuring object stability and adhesion from the very start of the printing process. As users experiment with different settings—such as layer height, temperature settings, and raft thickness—they can find optimal configurations that minimize failure rates and enhance quality.
step-by-Step Guide: Creating a Raft in Your 3D Prints
Creating a raft can significantly enhance the quality of your 3D prints,especially when dealing with challenging geometries or less stable materials.A raft serves as a foundational layer, providing a stable base that helps improve adhesion to the print bed and reducing warping. This technique is particularly beneficial when printing items with a small footprint or when using materials prone to curling, such as ABS.
To effectively create a raft for your 3D prints, follow these steps:
- Step 1: Prepare Your 3D Model
Ensure your model is correctly oriented and optimized for print. Use slicing software, as it typically has built-in tools for generating rafts. - Step 2: Access Slicing Settings
Open your preferred slicer (like Cura, PrusaSlicer, etc.) and load your model. Navigate to the settings options where you can adjust print strategies.
- Step 3: Enable Raft Option
Look for the option labeled ‘Raft’ or ‘Build Plate Adhesion’ within the slicer settings. Check this option to activate raft creation. You may find additional settings to customize the raft, such as its thickness or the number of layers.
- Step 4: Configure Raft Parameters
Tweak settings such as raft separation distance, number of interface layers, and the material used. Generally, a higher separation distance may help in easier removal after printing.
- Step 5: Slice and Preview
once you have adjusted all settings, slice your model and preview the toolpath.This step allows you to visualize the raft and ensure that it is correctly placed beneath your model. - Step 6: Print with the Raft
Start the printing process. Monitor your print to ensure the raft lays down properly before the main object is printed.
Employing a raft can lead to better print success rates, especially in intricate designs. Consider experimenting with raft settings when dealing with new materials or complex models to fully leverage the benefits of this foundational layer. Crafting a strong base for your prints not only enhances reliability but also minimizes the risk of failed prints or warped objects, making the process smoother and more efficient overall.
Common Materials Used for Rafts and Their Properties
Understanding the materials used for creating rafts in 3D printing is crucial for optimizing print quality and ensuring successful build adhesion. The choice of material directly affects the performance of the raft, and afterward, the overall print.Here, we will explore the most common materials used for rafts and their distinctive properties.
Common Materials for Rafts
In 3D printing, rafts are typically made from a handful of materials based on their compatibility with the primary printing filament, as well as their mechanical and thermal properties. The following are the most frequently used materials in raft construction:
- PLA (Polylactic Acid) - this is one of the most popular materials for 3D printing and is ideal for rafts due to its strong adhesion properties at lower temperatures. PLA is biodegradable and relatively easy to print, making it accessible for beginners.
- ABS (Acrylonitrile Butadiene Styrene) – ABS provides higher durability and impact resistance than PLA, which can be beneficial for larger prints. Though, it requires higher temperatures for printing, necessitating a heated bed to secure the raft properly.
- PETG (Polyethylene Terephthalate Glycol) – This material combines the ease of use of PLA with some of the robustness of ABS.PETG is resistant to moisture and chemicals, making it an excellent choice for functional prints, where raft durability is important.
- TPU (Thermoplastic Polyurethane) – As a flexible material, TPU is less common for rafts but may be an option for specific applications where versatility is required. Its unique properties can help in creating a better foundation for soft prints.
Comparative Properties of Raft Materials
When selecting materials for rafts, understanding their properties can guide the decision-making process. The table below summarizes the key attributes of various raft materials:
| Material | Adhesion | Durability | Temperature Resistance | Biodegradable |
|---|---|---|---|---|
| PLA | High | Moderate | Low to Moderate | Yes |
| ABS | Moderate to high | High | High | No |
| PETG | High | High | Moderate | No |
| TPU | Moderate | Variable | Moderate | No |
Selecting the right material for the raft can drastically impact the success or failure of 3D printing projects. For exmaple, a beginner might choose PLA for its forgiving nature, while more experienced users might opt for ABS or PETG to enhance print quality in more complex designs. Ultimately, understanding the properties of materials like those outlined in this section can empower 3D printing enthusiasts to make informed decisions that yield superior results in their projects.
Comparing Rafts: When to Use them vs. Other Support Structures
Understanding the Role of Rafts in 3D Printing
In the world of 3D printing, the choice of support structures can significantly impact the final outcome of your project. Rafts are a popular option due to their ability to enhance adhesion to the print bed, reduce warping, and facilitate better surface quality on the bottom of printed models.However, they are not the only support structure available. understanding when to use rafts compared to alternative structures like brim or support material is essential for achieving optimal printing results.
- Rafts: These are layers printed beneath your model, providing a stable base. They help in cases where the model has a small footprint, as the raft increases contact with the print bed, enhancing adhesion and reducing the risk of warping.
- Brims: Unlike rafts,brims consist of a single layer around the model’s base. They are useful in preventing warping while using less filament. Brims are particularly effective for models with larger footprints or when slight adhesion issues are expected.
- Supports: support structures are essential for models with overhangs or intricate designs. These can be printed either as soluble materials or as regular filament that can be manually removed post-printing.
when to Choose Rafts Over other Structures
Selecting the best support structure depends on several factors. Rafts are particularly beneficial for models that are prone to warping, have a small contact area with the print bed, or require enhanced stability during the printing process. as a notable example, when printing with materials like ABS, where warping is a frequent concern, a raft can serve as an indispensable safety net. on the other hand, if your model has a large surface area, a brim may be sufficient and more efficient both in time and filament use.
Consider the following table for a swift comparison of the three support strategies:
| Support Structure | Best For | Filament Usage | Post-Processing |
|---|---|---|---|
| raft | Small footprint models, high warping risk | Higher | Requires detaching, may leave marks |
| Brim | Moderate warping risk, larger base area | Lower | easy to remove, minimal impact |
| Support | Overhangs, intricate designs | Variable | Depends on chosen material |
while rafts offer distinct advantages for certain printing scenarios, choosing the right support structure ultimately depends on the model’s design, the material used, and the specific printing habitat. Understanding these dynamics can lead to better printing outcomes and a more efficient use of resources.
Troubleshooting Raft Issues: Tips for Better Print Quality
When it comes to enhancing print quality in 3D printing, troubleshooting issues with a raft can be crucial for achieving a perfect outcome. A raft, serving as a base layer beneath your model, is designed to improve adhesion and stabilize prints. However, problems can arise that affect both the integrity of the raft and the overall print. Understanding common raft issues is the first step toward resolution, leading to smoother prints and cleaner results.
Common Raft Issues and Solutions
Several typical problems can occur while using a raft in 3D printing, often affecting print quality. here are some issues you might encounter and how to troubleshoot them:
- Poor adhesion: If the raft is not sticking to the print bed properly, consider cleaning the bed surface with isopropyl alcohol to remove grease and dust. Additionally, try increasing the bed temperature slightly or using a different adhesive method, like glue sticks or hairspray.
- Warping: warping can result from sudden cooling or uneven temperatures. to combat this, ensure your printer has proper enclosure and even airflow. Increasing the base layer temperature can also help maintain adhesion.
- Stringing and oozing: If the filament is stringing between the raft and the model,adjusting the retraction settings,tuning the nozzle temperature,or reducing the travel speed might improve results.
Optimizing Raft Thickness and Density
The characteristics of your raft play a notable role in print success. Too thick or too dense a raft can create challenges in removal and excess material usage. Alternatively, a flimsy raft may fail to support the model properly.
Use the following guidelines to optimize your raft settings:
| Raft Setting | Recommended Range | Effect on Print |
|---|---|---|
| Thickness | 0.5 - 1.5 mm | Supports print without excessive material buildup |
| Densities | 0.1 – 0.3 (0-1 scale) | Strikes a balance between support and ease of removal |
Finding the right balance through experimentation will enable you to define the ideal raft parameters for your unique projects. Regularly calibrating your printer settings can further assist in reducing issues and enhancing overall print quality.
Navigating the complexities of 3D printing,particularly when utilizing rafts,can be daunting. Though, by addressing raft-related problems head-on and optimizing their design and settings, you can significantly improve your print quality, ensuring that each project surpasses your expectations.
Real-World Applications: Industries That Benefit from Raft Use
Did you know that using a raft in 3D printing can significantly enhance the success rate of complex prints? This simple addition serves as a crucial foundation for various industries, facilitating everything from prototyping to final product manufacturing. The versatility and benefits of rafts make them indispensable in several sectors, ensuring better adhesion and stability during the printing process.
Prototyping and Product Development
In the field of prototyping, the use of rafts is especially beneficial. Designers and engineers often create multiple iterations of a product before arriving at a final version. A raft enables them to produce stable prototypes with intricate details that can be tested for form and functionality. This is particularly valuable in industries such as:
- Consumer Electronics: Companies can quickly prototype device casings and interior structures, allowing for rapid design iterations.
- Automotive: Engineering teams rely on durable prototypes for functional testing and aesthetic evaluation of vehicle components.
- Aerospace: lightweight, precise prototypes are essential for components that need to withstand extreme conditions.
By using rafts, manufacturers can achieve accurate prints that minimize warping and other deformation issues, ultimately speeding up the entire product development process.
Medical Devices and custom Implants
The medical industry has also adopted 3D printing technologies, where rafts play a vital role in creating personalized implants and devices. The complex geometries of anatomical models and surgical tools require a stable base to ensure precision during the printing process. Rafts provide that base by enhancing adhesion to the print bed, which is crucial when dealing with materials like biocompatible plastics. Real-world applications include:
- Patient-Specific Implants: Custom implants designed for individual patients benefit from the raft’s ability to support intricate designs.
- Medical Models: Surgeons can use 3D printed anatomical models with a raft as a reliable preparation tool for complex surgeries.
- Prosthetics: The manufacturing of lightweight and cost-effective prosthetic limbs often requires rafts to ensure durability and accuracy during printing.
These applications demonstrate how rafts not only aid in manufacturing but also enhance patient care through improved device functionality and fit.
Architectural and Construction Applications
Another arena where the utility of rafts shines is in architecture and construction. As designers and builders turn to 3D printing for scale models and components, the foundational role of a raft becomes evident. As an example:
- Scale Models: Architects use rafts to create detailed models of buildings that represent complex forms and structures.
- Construction Components: 3D printed components like beams and facades can require rafts for stability,ensuring they meet the necessary load-bearing specifications.
- Urban Planning: Rafts can facilitate the printing of large models that help stakeholders visualize urban developments and infrastructure projects.
Within these processes, rafts contribute to producing visually accurate representations while minimizing technical errors that can derail projects.
Table of Industries and Raft Benefits
to further illustrate the diverse applications of rafts in various industries, here’s a concise table outlining the sectors and specific benefits:
| Industry | Benefits of Using Rafts |
|---|---|
| Consumer Electronics | Improved prototype accuracy |
| Aerospace | Enhanced stability for extreme components |
| Medical Devices | Precision in custom implant production |
| Architecture | Detailed scale models for visualization |
Incorporating a raft in 3D printing processes can be the difference between a successful print and a failed project. As these industries continue to evolve, the integration of rafts into everyday applications signifies a crucial step towards achieving optimal results in innovative manufacturing techniques.
Customizing Your Raft settings for Optimal Results
When it comes to achieving flawless prints in 3D printing, understanding how to fine-tune your raft settings can be the key differentiator between a mediocre outcome and a stunning success. Utilizing a raft not only enhances adhesion to the print bed but also helps in mitigating potential warping and layer misalignment. Here’s how you can customize your raft settings for the best possible results.
Understanding Raft configuration Options
Rafts consist of multiple layers designed to create a stable base for your 3D print. Appropriately configuring the various settings of the raft can dramatically affect print quality. Below are some essential parameters to consider:
- Raft Thickness: Frequently enough measured in millimeters,the thickness of the raft can influence adhesion. For standard PLA filament, a thickness of about 0.5 to 1.0mm typically provides a solid foundation.
- Raft Offset: This setting determines the distance between your model and the raft. A smaller offset can improve adhesion but may leave marks on your model’s base. Experimenting with offsets of 0-2mm can yield an optimal balance.
- Raft Layer Count: The number of layers in your raft should correlate with the size and complexity of your print. A count of 3-5 layers is often sufficient for smaller prints, while larger, taller prints may require more for stability.
Using Printer Software for Adjustment
most slicing software offers a straightforward interface to adjust raft settings. Here’s a quick overview of how to access and change these settings in popular 3D printing programs:
| Software | How to Access Raft Settings |
|---|---|
| Ultimaker Cura | Navigate to the ‘Build Plate Adhesion’ section and select ‘Raft’. Customize the settings to your preference. |
| PrusaSlicer | Under the ‘Print Settings’ tab, go to ‘Support Material’ and enable the ‘Raft’ option to adjust parameters. |
| Simplify3D | In the ‘Layer’ tab, locate the ’Raft Options’ to set thickness, offset, and more specifics. |
Practical Trials and Observations
Adjusting your raft settings isn’t merely theoretical; hands-on experimentation can reveal insights that cater specifically to your printer and materials. For example, if you’re printing with flexible filaments, a thinner raft might be beneficial, while rigid filaments like ABS may thrive with a thicker, more substantial raft. A common practice among seasoned hobbyists involves conducting test prints with varying raft configurations to identify the most effective parameters for specific projects.
By taking the time to fine-tune your raft settings based on the material you’re using, the scale of your print, and the capabilities of your 3D printer, you can significantly enhance the print quality. Remember, every 3D printing project is unique, and customizing your raft can lead to smoother surfaces and reduced post-processing efforts. Dive into the world of 3D printing with a customized raft, and discover the true potential behind every layer.
The Future of Rafts in 3D Printing: Innovations and Trends
The evolving landscape of 3D printing technology allows us to envision a future where the functionalities and applications of rafts,integral components in the 3D printing process,are expanded and enhanced. as additive manufacturing continues to innovate, the role of rafts in ensuring successful prints is likely to undergo significant change. From improved materials to automated processes, the advancements on the horizon promise an exciting era for both amateur and professional 3D printing communities.
Material Enhancements
one of the key trends shaping the future of rafts in the 3D printing industry is the development of advanced materials. Traditional raft materials, frequently enough less than ideal in terms of adhesion and removal ease, are being replaced with options that enhance performance.New composite filaments, such as those infused with carbon fiber or PETG blends, not only provide better adhesion to the build plate but also ensure easier removal without damaging the delicate models being printed.
- Flexible Rafts: Innovations are underway to create flexible rafts that adapt to the dimensions of printed objects, minimizing stress on the structure.
- Biodegradable Options: Sustainability is becoming a focal point, prompting research into biodegradable raft materials that reduce environmental impact.
Smart Raft Technologies
As artificial intelligence and machine learning continue to infiltrate the manufacturing sector, “smart” rafts may emerge as one of the most beneficial innovations in the 3D printing process. By utilizing sensors and adaptive algorithms, smart rafts could automatically adjust their composition and shape in response to specific printing conditions, drastically improving print success rates.Imagine a printing process where the raft’s properties can dynamically adapt to temperature fluctuations, material properties, or even disturbances in the build environment.
| Feature | Benefits |
|---|---|
| Real-time Adjustments | Enhanced flexibility and stability during printing, reducing failures. |
| Data Integration | Ability to gather performance data for further optimizations in future prints. |
| Predictive Printing | Smart algorithms could predict and mitigate risks of warping or detachment. |
Expanded Applications
Beyond mere printing support, the future of rafts could extend into more specialized applications.We might see rafts being designed not just as a support mechanism, but as an integral part of a multi-functional design. Future innovations could lead to rafts that incorporate features such as cooling or heating elements that uniformly distribute temperatures across prints, particularly for those materials sensitive to thermal changes.These advancements indicate that understanding ”what is a raft in 3D printing” will become more critical as these structures evolve to meet the needs of complex printing tasks, from intricate designs in art to components in aerospace engineering. The future is ripe for exploration and experimentation, encouraging makers to consider how they can leverage these innovations to enhance their own 3D printing projects.
Q&A
What Is a Raft in 3D Printing?
What Is a Raft in 3D Printing? A raft is a base layer printed beneath a model to improve adhesion and stability during the printing process. It provides a solid foundation, which is especially useful for objects with a small contact area.
In 3D printing, a raft consists of multiple layers that create a flat, level surface for your print. This can help prevent warping and improve the first layer adhesion, ultimately leading to more successful prints. Without a raft, print failures might occur, especially with challenging materials or intricate designs.
Why Does My 3D Print Need a Raft?
Why Does My 3D Print Need a Raft? A raft is crucial for ensuring better adhesion to the print bed, minimizing the risk of print failure, and improving overall print quality.
When dealing with materials like ABS or PLA, a raft can reduce the chances of warping as the model cools. especially with models that have a small base, using a raft can stabilize the print and help in achieving a clean finish. For more details on print settings, consider reading our guide on optimal 3D printing settings.
Can I Remove the Raft After Printing?
Can I Remove the Raft After Printing? Yes, rafts can and should be removed after printing. They are not part of the final product.
Typically, the raft is designed to be easily separated from the model, allowing for a smoother surface on the final print. Be cautious to minimize damage to the model edges during the removal process, especially for delicate designs.
What Are the Benefits of Using a Raft in 3D Printing?
What Are the Benefits of Using a Raft in 3D Printing? The primary benefits of using a raft include improved adhesion, reduced warping, and enhanced overall print success.
Rafts can be particularly helpful for prints that have intricate shapes or large overhangs, as they provide extra stability. They also allow for better control over print settings, leading to a more polished final product. Using a raft can save you time and materials in the long run by reducing the number of failed prints.
how Do I Set Up a Raft in my 3D Printing software?
How Do I Set Up a Raft in My 3D printing Software? To enable a raft, you must access the print settings in your slicing software and select the option for rafts.
Different software will have varying interfaces, but usually, you can find the rafts option in the “Build Plate Adhesion” settings. Make sure to adjust the raft thickness and spacing for optimum results. Checking your software’s manual can also provide additional insights specific to your slicer tool.
Are There Any downsides to Using a Raft?
Are There Any Downsides to Using a Raft? While rafts have many advantages, they can add extra print time and material usage.
In addition, the surface finish of the bottom layer may not be as smooth as it would be without a raft, leading to additional post-processing requirements. For larger prints, the added prints speed could be significant. Weighing these factors is essential in deciding whether or not to use a raft for your project.
what Materials Work Best with a Raft in 3D Printing?
What Materials Work Best with a Raft in 3D Printing? Rafts are particularly beneficial for materials that tend to warp, like ABS and nylon.
These materials frequently enough experience changes in temperature during the printing process, leading to deformation.A raft can definitely help absorb some of this stress, enhancing the print’s success. However, for materials less prone to warping, such as PLA, a raft may be optional.Always consider your project’s specific requirements when deciding.
Insights and Conclusions
understanding rafts in 3D printing is essential for achieving superior print quality and performance. By serving as a foundational layer, rafts enhance adhesion, mitigate warping, and facilitate easier post-processing. We explored the step-by-step process of creating a raft, highlighted its key benefits, and provided real-world examples to illustrate its application across various printing scenarios.
Whether you’re a newcomer eager to refine your skills or a seasoned professional looking to optimize your workflow, we encourage you to delve deeper into the many facets of 3D printing.Experiment with rafts in your next project and witness the difference it makes. For more insights, tips, and advanced techniques, continue exploring our resources or engage with our community—your journey toward mastering 3D printing starts here!
