Faucet wheel, FreeCAD, parametric

*Creating STL files with FreeCAD 0.17 seems problematic, at least with this freecad file. It picks and includes one subpart that is NOT meant to be included.*

Parameters:
Combo View > Body_Main > Pad > Sketch: Property tab
- the named constraints that has no formula can be manipulated to achieve different looks of the wheel.

Note though that some combinations makes the sketch break up;
the only easy and functionally SAFE remedy is to reopen the file, do not save ;-).

The last two U