Start with a known physical dimension. STEP solid properties use readable B-Rep geometry; STL/OBJ values are mesh approximations and assume millimetres. A shaded open surface can have area but no enclosed volume. Assembly totals require a defined scope; mass requires density.
Work through the task
- Measure STEP Files Online: Dimensions, Distances & Units
- Do STL Files Have Units? How to Fix mm vs Inch Scale
- STEP Inch Units: A Reproducible Dimension Check
- Open STEP Surface: Area Available, Volume Unavailable
- STEP Assembly Instances: Check Repeated-Part Totals
Use the matching tool
Before accepting the result
Read warnings, confirm one known dimension and preserve units and scope. Files are processed on the server; see privacy and accuracy. Browse all guides.
Original article: CADProps · https://www.cadprops.com/workflows/measure-cad-properties/