3D model guides
Practical explanations of formats, mesh topology, repair, conversion and 3D print calculations.
How to open an STL fileASCII vs binary STLWhy STL files do not store unitsWhat is a manifold modelWhat does watertight meanHow to check an STL before printingHow to fix inverted normalsHow to remove degenerate trianglesHow to merge duplicate verticesHow to fill a hole in an STLHow to check wall thicknessHow to check overhangsHow to place a model on the build plateHow to fit a model to a printerHow to convert inches to millimeters in STLHow to scale STL to an exact sizeHow to calculate STL volumeHow to calculate model weightHow to calculate filament costWhy infill percentage is not the same as weightHow to calculate resin print costSTL vs 3MFSTL vs OBJSTL vs GLBWhat 3MF storesHow to open a 3MF fileHow to convert STL to OBJHow to convert STL to GLBHow to convert 3MF to STLWhat a model loses during conversionHow to reduce polygon countHow to prepare GLB for the webDraco vs MeshoptHow to check texture sizeHow to compare two model versionsHow to measure a 3D modelHow model sectioning worksWhat are self-intersectionsHow to identify loose componentsWhy slicers repair models differently