For example, In the CAD software, circles are represented in their ‘real’ shape while in 3D printing and STL editing are usually represented as polygons. They are not the best option because of the different ways in which they represent some shapes. Although they were not originally designed with 3D printing in mind, they come in handy in editing STL. ![]() They are solid modeling tools and they provide accurate measurements. These are programs designed to cover engineering and construction modeling purposes. You have 2 main options when it comes to editing STL files: mesh editing tools and CAD software. You don’t even need the skills of a 3D designer to do it yourself. Editing an STL file is not rocket science. , the STL file format is a proprietary format with an extremely simple structure that describes the surface of an object as a triangular mesh. The STL format was developed for stereolithography, a form of 3D printing, in the late 1980s. Each facet is described by a perpendicular (normal) direction and three points representing the vertices (corners) of the, triangle. Trusted Source STL (STereoLithography) File Format Family Format Description for STL_family - an openly documented plain text format for describing an object as a triangular mesh, i.e., as a representation of a 3-dimensional surface geometry in triangular facets. In this article, we will provide a comprehensive guide on how to edit STL files as well as discuss some of the best STL editors. They are better tools at editing STL files. ![]() ![]() The Mesh editing tools, on the other hand, are made for modeling, animation, and any objects on a 2D surface without a filling. The CAD software is made for construction, solid modeling and providing the exact measurements. STL files can be edited in 2 different types of modelling software: the CAD software and Mesh editing tools. This is when you realize you need an STL editor. Most times, the pre-downloaded STL file on your model are okay, but what if it lacks some features, or it is damaged? Sometimes you’ll only need a part of it. Therefore, you ought to learn how to edit STL files. Learn more about our process hereĪs a 3D printing hobbyist, you will need to optimize, adapt, and optimize your 3D models at some point. We may earn a commission through products purchased using links on this page. When you created your 3D model and want to turn it into a physical part, you can use Sculpteo.For 3D Print is reader-supported. Of course, you can access all of our tutorials here, and prepare your file for 3D Printing with other software as Rhinoceros or SolidWorks. Since a video is always more illustrative, here you have a web tutorial of Sculpteo, explaining the procedure of polygon reduction. This parameter affects the quality of the shape of the final triangles on planar portions of the mesh and improves the accuracy/complexity ratio. Planar simplification: This option should be activated when there are flat surfaces on the model that you want to be tessellated.It is essential for preventing the edges from collapsing and substituting the original mesh. Optimal position of simplified vertices : This option should also be on by default. ![]() With this action you prevent the software to flip face normals and preserves the orientation of the surface. Preserve Normal: Here you should also select this option if it is not already on by default.Since your file is going under a simplification process, it is essential not to destroy boundaries of the mesh, such as exposed edges etc. Preserve Boundary of the Mesh: Here you should click on this option, as it has to do with preserving the mesh boundaries.So in order for the software to calculate the original shape of the model with only well shaped faces, it requires to enter a high number of faces as it allows more freedom in the final triangle shape. This parameter affects the original model’s shape (ex. The recommended entry is 1 as it gives satisfying results. Quality threshold : You can select a number between 0 and 1.This procedure is called reduction of polygons also known as mesh decimation. Target number of faces : Here type the number of polygons you wish your file to have.Let’s take a more detailed look at these options.
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