Forearm (right)

It seems that your browser isn't compatible. The PDF cannot be displayed.

You can dowload these parts on Thingiverse as

Please visit InMoov's blog for additional information ("Assembly help" and "Assembly sketches").

You can also look at this other 3D PDF that has a hierarchy that matches InMoov's download names which is helpful.

SketchUp renders :

ForearmForearm