stpZ: Import and Export compressed STEP files Module for FreeCAD - It has been merged into FC main repo 😄 StpZ Import Export compressed STEP files '.stpZ' Module for FreeCAD version 1.3.1 Example file: as1-oc-214.stp uncompressed file size: 432K as1-oc-214.stpZ compressed file size: 32K Reference @ CAX-if Reference documentation for STEP file Compression License GNU LESSER GENERAL PUBLIC LICENSE 2+