The file 'Gravitrax Spacer 200mm 3D Printer Model' is (f3d,stl) file type, size is 293.5KB.
Using the excellent F3D files Roosloot gave us, I modified the height to 200mm using Autodesk Fusion 360.
Spacer_v1_200mm.f3d | 250.6KB | |
Spacer_v1_200mm.stl | 205.0KB |