Hi, newbie here. I made a model in Blender and am now talking to injection mould manufacturers. To make the mould they want an STP file. But when I convert my STL to STP (using Freecad), the file size gets huge. 1.5 GB, and thats actually after me using decimate in Blender to reduce edges (polygones I think), to a point where the model is loosing critical detail. Background is that in Blender I made