Newb: help with Arm and belly contours for solid body guitars

 From:  VG (VEGASGUITARS)
8938.1 
Just designed this new body in MoI - looking for pointers on how to cut arm and tummy contours. Tried some Boolean commands and trim but could use some experienced advice. Thanks. Attached is the new design photo. Thanks very much for suggestions.

EDITED: 21 May 2018 by VEGASGUITARS