A Brief Analysis of Four Common Mistakes in Designing 3D Models
When designing a 3D model, we will use different design software, not only may use different materials, but also use different 3D printers , so when designing a 3D model, we are easy to consider because of incompleteness. And caught up in some common mistakes, making our design difficult.
1. Ignore material properties
Different 3D printed materials have different characteristics, some are brittle, some are strong, some are strong, some have rough surface, some have high density, some have low density and so on. This means that at the beginning of a model, the first thing to consider is the material it will use. For example, if you want to print a 3D model with ceramic powder, you need to consider the characteristics of the ceramic powder material, and then consider the design of the model, such as how to handle the floating part, how to deal with the corner part.
What materials are used directly determines the principles of model design
2, ignore the wall thickness
So far, the most important reason why many 3D design models cannot be successfully printed is related to the wall thickness setting. If the wall thickness is too thin, the small parts on the model cannot be printed, or they are more fragile and can be easily broken.
For successful 3D printing , the correct wall thickness setting is critical
3, ignore the STL file resolution
For 3D printing (), the most common file format is STL (Standard Triangle Language), which means that your 3D model can be translated into multiple triangle patches in 3D space. Most 3D model software supports converting the model to STL format and setting it to the desired resolution. The following image shows files of different resolutions, from very high resolution (left) to very low resolution (right):
Choosing the right file resolution is very important for print quality
Low-resolution STL format files: A low-quality file output can never guarantee a good model. Low resolution means that the triangle in the STL file is too large and the surface of the model is not smooth, which will lead to "mosaic" printing to some extent.
Very high resolution STL format files: Overly high resolution files can make files too large and sometimes inconvenient to operate. It is likely to cause many details of the model not to be well restored, which is why we recommend keeping the STL file below 100MB.
4, ignore the rules of software use
Different software has different usage rules. For example, the wall thickness setting is automatically set in some software, but in some other software, you have to set it manually.
Even with a zero-based starter software, it is still possible to encounter some difficulties in designing a hollow model.
Different model design software with different settings
Currently, there are many 3D model design software for different fields, such as Blender for 3D maps or animations; Sketchup is popular in the construction field; or Zbrush software for Creative Maker. You need to do some preparation according to different software, such as whether the model is watertight, the wall thickness is moderate, and the print size setting.
The above rules seem complicated, but after you master it, you will be more comfortable when designing the model.
Of course, you can also contact the professional 3D printing model design platform, which can provide you with professional, convenient and efficient 3D printing model design services.
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