It is especially used by professionals since they appreciate its numerous. Off by default because it is very useful only in particular situations like when you have perfectly flat areas finely tessellated. MeshLab is a very complete free and open source program to edit your STL files. Like the quality threshold it affects the accuracy/complexity ratio. It can greatly improve the quality of the shape of the final triangles on perfectly planar portions of the mesh. It’s on by default.Īdd additional simplification constraints that try to preserve the current shape of the triangles. If disabled, the edges are collapsed onto one of the two vertices and the vertices of the final mesh are a subset of the original mesh. When collapsing an edge the chosen vertex position minimizes the current estimated error. ![]() Once all models are combined into one and seem to look good upload the STL to the Netfabb online repair tool to get the final repairs done and the model reduced to a model with a. Optimal position of simplified vertices: Yes. Combine only two models at a time and if succesful check and where required repair the solids - manual labour here is often much better than automated repairs. The value is in the range : 0 accept any kind of face (no penalties), 0.5 penalize faces with quality Normals, Curvature and Orientation > Re-Orient all faces coherently (note that this will only work for manifold objects). Meshlab and Blender seems to solve this problem during import as there are no vertex duplicates in the STL meshes that I have worked with. To approximate accurately the original shape only with well shaped triangles you require a higher number of faces with respect to allowing more freedom in the final triangle shape. Quality threshold affects the simplification penalizing bad shaped faces. Keep this below 1 million.Įnter a value between 0 and 1 here the higher the value the harder MeshLab tries to stick to your original model's shape. Target number of faces - Self explanatory.
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