.step .stp

STEP files

STEP stores exact CAD geometry: true planes, cylinders, cones and freeform surfaces joined into solids. It is the standard way to move parts between CAD systems such as SolidWorks, Fusion 360, Inventor, CATIA and FreeCAD.

Full name
ISO 10303 (Standard for the Exchange of Product Data)
Type
Exact CAD geometry
Used in
SolidWorks, Fusion 360, Inventor, CATIA, FreeCAD, Onshape
Strength
Exact, editable geometry that every CAD program can open.
Limits
Not used directly by slicers or game engines; it has to be meshed first.

Open STEP files

Convert STEP to

STEP → STLSTEP → IGESSTEP → BREPSTEP → OBJSTEP → FBXSTEP → GLBSTEP → glTFSTEP → 3MFSTEP → PLYSTEP → DAESTEP → DXFSTEP → USDZSTEP → 3DM

Convert to STEP

STL → STEPIGES → STEPOBJ → STEPFBX → STEPGLB → STEPglTF → STEP3MF → STEPPLY → STEPDAE → STEP3DS → STEPBLEND → STEP3DM → STEPUSDZ → STEPGCODE → STEPOFF → STEPAMF → STEPX → STEPBREP → STEP