[NEW CONTENT TYPE REQUEST] Standard for the Exchange of Product Data

[MichaelHinrichs]

What type of file would you like magika to detect?
Standard for the Exchange of Product Data (.stp, .step)

What software can create/open these files?
Onshape, Autodesk Fusion 360, IMSI TurboCAD, FreeCAD, ideaMK STP Viewer, Dassault Systemes CATIA, SOLIDWORKS, Siemens Solid Edge, Open Cascade DMU Reviewer, LKSoft IDA-STEP,
CADSoftTools CST CAD Navigator, CADSoftTools ABViewer,
Kubotek KeyCreator, Okino Computer Graphics PolyTrans,
McNeel Rhino, eMachineShop Free Online STEP File Viewer, Wikifactory, ShareCAD.org.

Where can these files be found?
https://www.cgtrader.com/3d-models/ext/stp
https://grabcad.com/library/tag/stp
https://www.laserdesign.com/sample-files/type/stp/
https://www.aci24.com/en/service/downloads/3d-stp.html
https://www.eagleburgmann.com/en/company/download-center/stp-files

If possible, please provide a specification for this file type.
https://en.wikipedia.org/wiki/ISO_10303-21#ISO_10303-21_building_blocks

Additional context