Example of 3D model generated with my Gugulele OpenSCAD script...
Decorative headless design
Single rectangular through-body spines
Double oval sound holes
T-bracing
Banjo style planetary tuners
Hole in tail for 1/4" pickup
4 pieces assemble with M1.6 socket head screws
This is a high resolution model that uses javascript to render a almost 20MB file - not all browser can handle it... YMMV.