3MF vs STEP AP242 vs glTF vs JT: Choosing Lightweight CAD Formats for Digital Twins and PLM Posted by By MPRAUTO MPRAUTO October 7, 2026Posted inDigital TwinNo Comments CAD format comparison for digital twins and PLM: STEP AP242, JT, 3MF and glTF compared on PMI, assemblies, tessellation, materials, licensing and a.