I've discovered FreeCAD parametric 3D modeler recently. As with Sketchup, it is useful to figure out the general layout of your multicopter. My first attempt was to made the anycopter hub parts from flitetest's pdf (as I didn't baught the kit already, shame on me).
Bottom plate
Top plate
AnyQuad layout with 300mm booms
Top plate construction
Download:
Anycopter Hexa with DT750 motors & 1047 props
My FreeCAD RCExplorer tricopter version on youtube.
Best regards from Marseille, France.
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