EntityQ1238229· pop 19· linked from 281 articlesSTLSign in to savefile format used by CAD software and 3D printersConnectionsnormalEntityRhinoceros 3DEntityarchitectureEntityInternational Standard Book NumberEntityopticsEntityexponentiationEntityBlenderEntityQ8815EntityQ8041EntityCartesian coordinate systemEntitypolyhedronEntitysurfaceEntityOCLC, Inc.EntitytorusEntity3D printingEntityRGB color modelEntityAutoCADEntitycomputer-aided designEntityright-hand ruleEntityfree and open-source softwareEntityCategories1987 introductions3D graphics file formatsCAD file formats