then you can create the footprint very easily with kicad StepUp
- install kicad StepUp macro in FreeCAD
- Load Board with kicad StepUp
- with FC export the 2D projection to DXF
- open modedit in pcbnew
- crete a new module
- import DXF
voila! you have your module in Front Silk
there you can add i.e. holes and other stuff for mechanical references and add the module to your board
