Readying your models for printing Posing your models for printing can be problematic, especially when you consider the limitations of desktop 3D printing. You can use support material (extra material that act as scaffolding under your print) to support the arms, weapons, and other bits sticking out from your model.
- Designing Models For 3d Printing
- 3d Builder Downloadable Models
- 3d Printer Models Download Free
- Download Free 3d Printer Files
- Making 3d Models For Printing
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Designing Models For 3d Printing
- 3D artist Stef Walker (@CynicalPlant on Twitter) shared several photos and a video of their work recreating the Crewmates from Among Us as 3D printed models that you can make at home, if you.
- To make a 3D model designed for dual, triple, or even quad color extrusion, there's a couple different ways you can go about it. Either you'll need to model it yourself from scratch using some program like Solidworks, Fusion 360, Blender, or any other similar modeling program, or you can modify an existing STL that you have by using netFabb.
A working 3D model brings a project to life, visually & spatially, making it easier to understand. The ability to highlight certain areas or features of a project makes scale models a valuable communication tool. Not only will a 3D scale model save you time and money, it will also enhance your project's appeal. 3D models are also a great way to show investors what their money is going towards.
Small or large scale models, simple study models or complex highly-detailed models, interactive models, models with cut-aways, HTS handles them all. In addition to creating high quality, detailed custom models the professional Model Makers at HTS are proud of delivering on time and within budget.
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Why HTS?
We are proud of the detailed 3D models we've created and the excellent reputation we've developed with our customers.
5 Mistakes to Avoid When Designing a 3D Model for 3D Printing
We know that modeling for 3D printing can be confusing: in 3D modeling, as in 3D printing, there is no one size fits all approach. We all use different software, print in different materials, and not only use different printers but also different printing technologies. So it's perfectly normal to feel lost and it can sometimes seem difficult to design a perfect 3D model for 3D printing.
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That's why we've put together the ultimate list of mistakes to avoid when turning a 3D model into a 3D print.
1. Ignoring Material Guidelines
Each and every printing material is different. Materials can be brittle or strong, flexible or solid, smooth or rough, heavy or light, and so on. This also means that an object should ideally be designed for a specific material. For example, if you know that you want to print your 3D model in Steel, there will be specific material-related design recommendations that you need to take into account such as supporting overhanging parts, strengthening elements that are sticking out, rounding off corners, etc.
The choice of your printing material simply pre-determines some of the basic design guidelines that you need to stick to.
Each 3D printing material is different. Make sure to read the design guide for the material of your choice.
Solution: Sticking to the design rules of your material is essential for a successful print. Ideally, you should read the design guides before you start to work on your model. You can find the design guides for all of our materials here. Additionally, you can compare several materials directly on our comparison site.
We also encourage you to browse through our shop items (you can set a filter for specific materials there) to get a better understanding of what designs other artists have created in what materials.
2. Ignoring Printing Technology
It's not only the basic chemical characteristics of our printing materials that are different, but also the technologies that are used for printing each of these materials.
The best example of this is interlocking parts; in materials like ABS, Polyamide, Alumide, or Rubber-like you can print interlocking parts, while in others like Gold, Silver, Bronze, or Resin this is not possible. The reason behind this is not the material itself, but the technology that is used for printing each of these materials.
For ABS we use Fused Deposition Modeling (filament-based) with an extra nozzle and material for support, for Polyamide, Alumide, and Polypropylene we use Laser Sintering (powder-based), for precious metals we use lost wax casting (based on a 3D print in wax and a mold), and for the Resins we use Stereolithography (liquid polymer-based).
This might sound confusing but the important thing to keep in mind is the following: we cannot assume that Stainless Steel and Silver will have similar requirements simply because they are both metals. They are printed using different technologies and thus some design features will differ. However, materials that use the same technology such as Gold, Silver, Bronze, and Brass (lost wax casting) are more likely to share similar design requirements.
Solution: Once again, our materials website holds all the answers. Checking our material pages before you start designing is always key. Also, keep in mind that with the use of different printers and printing technologies, the maximum printing sizes differ. You can find an overview of these here.
3. Ignoring Wall Thickness
Even though you can find information about the wall thickness in the guidelines that were already mentioned, it's worth stressing this point again.
Problems linked to wall thickness are by far the most common reasons why some 3D models are not printable. In some cases, wall thickness is too thin. Walls that are too thin make small parts on the model unable to be printed or very fragile and could break off easily. In other cases, walls that are too thick generate too much internal stress and could cause the item to crack or even break.
Getting the right wall thickness is crucial for a successful print.
Solution: First, read our general blog post about getting the perfect wall thickness for your 3D model. Then, head over to the design guide for the material of your choice and stick to the values mentioned there.
4. Ignoring File Resolution
Read the design guides? Know your material? Wall thickness ok?
Perfect, but now there is another thing to consider: file resolution.
3d Printer Models Download Free
For 3D printing, the most common file format is STL (which stands for standard triangle language), which means that your design will be translated into triangles in a 3D space. Most 3D modeling software has the option to export your designs to an STL file and set the desired resolution.
Low-resolution STL file: It's important to be aware that a poor-quality export will never allow us to provide you with a good print. Low-resolution means that the triangles in your STL file are big and the surface of your print will not be smooth. It will lead to a somewhat 'pixelated' print.
Very high-resolution STL file: A file with a resolution that is too high will make your file too big and sometimes impossible for us to handle. It might also contain an extreme level of detail that the 3D printers simply cannot print. That's why we ask you to stay below a file size of 100 MB when uploading your model to our website.
Solution: In most 3D modeling software, when exporting a file you will be asked to define the tolerance for the export. This tolerance is defined as the maximum distance between the original shape and the STL mesh you are exporting. We advise choosing 0.01 mm for a good export.
Here's a visual representation of different file resolutions from extremely high (left) to quite low (right):
Choosing the right resolution for your file is important to ensure a good quality print.
Exporting with a tolerance smaller than 0.01 mm does not make sense because the 3D printers cannot print at this level of detail. When exporting with a tolerance larger than 0.01 mm, triangles might become visible in the 3D print. You can read more about this in our blog post about file resolution where we also point out the 40 other 3D files that we support. If your file exceeds 100 MB we can provide an offline quote if you send a zipped file via a file transfer service to contact@i.materialise.com.
5. Ignoring Software Guidelines
That's why we've put together the ultimate list of mistakes to avoid when turning a 3D model into a 3D print.
1. Ignoring Material Guidelines
Each and every printing material is different. Materials can be brittle or strong, flexible or solid, smooth or rough, heavy or light, and so on. This also means that an object should ideally be designed for a specific material. For example, if you know that you want to print your 3D model in Steel, there will be specific material-related design recommendations that you need to take into account such as supporting overhanging parts, strengthening elements that are sticking out, rounding off corners, etc.
The choice of your printing material simply pre-determines some of the basic design guidelines that you need to stick to.
Each 3D printing material is different. Make sure to read the design guide for the material of your choice.
Solution: Sticking to the design rules of your material is essential for a successful print. Ideally, you should read the design guides before you start to work on your model. You can find the design guides for all of our materials here. Additionally, you can compare several materials directly on our comparison site.
We also encourage you to browse through our shop items (you can set a filter for specific materials there) to get a better understanding of what designs other artists have created in what materials.
2. Ignoring Printing Technology
It's not only the basic chemical characteristics of our printing materials that are different, but also the technologies that are used for printing each of these materials.
The best example of this is interlocking parts; in materials like ABS, Polyamide, Alumide, or Rubber-like you can print interlocking parts, while in others like Gold, Silver, Bronze, or Resin this is not possible. The reason behind this is not the material itself, but the technology that is used for printing each of these materials.
For ABS we use Fused Deposition Modeling (filament-based) with an extra nozzle and material for support, for Polyamide, Alumide, and Polypropylene we use Laser Sintering (powder-based), for precious metals we use lost wax casting (based on a 3D print in wax and a mold), and for the Resins we use Stereolithography (liquid polymer-based).
This might sound confusing but the important thing to keep in mind is the following: we cannot assume that Stainless Steel and Silver will have similar requirements simply because they are both metals. They are printed using different technologies and thus some design features will differ. However, materials that use the same technology such as Gold, Silver, Bronze, and Brass (lost wax casting) are more likely to share similar design requirements.
Solution: Once again, our materials website holds all the answers. Checking our material pages before you start designing is always key. Also, keep in mind that with the use of different printers and printing technologies, the maximum printing sizes differ. You can find an overview of these here.
3. Ignoring Wall Thickness
Even though you can find information about the wall thickness in the guidelines that were already mentioned, it's worth stressing this point again.
Problems linked to wall thickness are by far the most common reasons why some 3D models are not printable. In some cases, wall thickness is too thin. Walls that are too thin make small parts on the model unable to be printed or very fragile and could break off easily. In other cases, walls that are too thick generate too much internal stress and could cause the item to crack or even break.
Getting the right wall thickness is crucial for a successful print.
Solution: First, read our general blog post about getting the perfect wall thickness for your 3D model. Then, head over to the design guide for the material of your choice and stick to the values mentioned there.
4. Ignoring File Resolution
Read the design guides? Know your material? Wall thickness ok?
Perfect, but now there is another thing to consider: file resolution.
3d Printer Models Download Free
For 3D printing, the most common file format is STL (which stands for standard triangle language), which means that your design will be translated into triangles in a 3D space. Most 3D modeling software has the option to export your designs to an STL file and set the desired resolution.
Low-resolution STL file: It's important to be aware that a poor-quality export will never allow us to provide you with a good print. Low-resolution means that the triangles in your STL file are big and the surface of your print will not be smooth. It will lead to a somewhat 'pixelated' print.
Very high-resolution STL file: A file with a resolution that is too high will make your file too big and sometimes impossible for us to handle. It might also contain an extreme level of detail that the 3D printers simply cannot print. That's why we ask you to stay below a file size of 100 MB when uploading your model to our website.
Solution: In most 3D modeling software, when exporting a file you will be asked to define the tolerance for the export. This tolerance is defined as the maximum distance between the original shape and the STL mesh you are exporting. We advise choosing 0.01 mm for a good export.
Here's a visual representation of different file resolutions from extremely high (left) to quite low (right):
Choosing the right resolution for your file is important to ensure a good quality print.
Exporting with a tolerance smaller than 0.01 mm does not make sense because the 3D printers cannot print at this level of detail. When exporting with a tolerance larger than 0.01 mm, triangles might become visible in the 3D print. You can read more about this in our blog post about file resolution where we also point out the 40 other 3D files that we support. If your file exceeds 100 MB we can provide an offline quote if you send a zipped file via a file transfer service to contact@i.materialise.com.
5. Ignoring Software Guidelines
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Our community uses many different 3D modeling software packages. Some were designed for creating 3D prints, others are mostly used by 3D artists and their designs will require additional editing before they can offer a printable 3D model. For example, applying a wall thickness is automatic in some programs, while you must manually set it in others.
Even if you use a beginner-friendly software that was developed for the sole purpose of 3D Printing (e.g. Tinkercad), you might still have a difficult time creating a hollow model. In this case, free software Meshmixer can help.
Different software, different file preparation procedures: Tinkercad (left) and Blender (right).
If you use a software like Blender (used for 3D graphics and animations), SketchUp (popular with architects and scale modelers), or ZBrush (sculpting software for 3D artists), some further file preparation will need to be done. Depending on which software you are using, shells may need to be joined together, models may need to be made watertight, wall thicknesses may need to be applied, and printing sizes may need to be set. Once again, each and every software is different.
Solution: Read the software guidelines for turning a model into a 3D print. If you cannot find them on the official software websites, 'google' for tutorials. If you reach the limits of your 3D modeling software, open your 3D model in Meshmixer for some basic 3D printing preparation tools.
Summary: How to 3D Model for Printing
Let's take a breath. And don't worry; things sound more difficult than they are. Just make sure to know your software and material of choice well. If you are struggling to learn how to 3D model you can always find a lot of resources and tutorial videos online. You can also get in touch with professional 3D designers who will be able to help you via our 3D modeling service.
Making 3d Models For Printing
If you designed a 3D model for printing, why not print it with our online 3D printing service? It's easy, fast, and efficient. When uploading a model to our website we will double-check your design manually. If there are mistakes or if parts of your object could break, we will inform you about this and tell you what went wrong. If you want to learn some other tricks, visit our blog posts about how to create stunning Multicolor + and Silver prints, how to set the perfect wall thickness, and how to choose the right file resolution.
Featured image: Spire Sculpture in Polyamide (SLS) by Charles-Eric Gogny
