plmxml to stp conversion is searched by users exploring options how to export or convert Siemens 3D files to standard STEP product files, something that is typically done using Solid Edge. The overall support for PLMXML format is a bit low, so the number of potential tools that can be used for this will be always limited. Dedicated 3D converters like CrossManager are a viable alternative as well.
Updated: August 31, 2023