An example of 3D model generated with my Gugulele OnShape script…
Decorative headless design
Single rectangular through-body spine
Off sided oval sound hole
T-Bracing
Banjo style or Goth UPT planetary tuners
6 pieces to be assembled using M1.6 socket head screws and/or glue
No piece longer than 250mm so printable on common 3D printers
If you’ve successfully printed and assembled one, let me know :-)
Third Party Parts:
Spine/rods e.g. http://www.acpsales.com/.125-x-.325-Rectangular-Rod.html
Banjo Tuners e.g. http://www.ebay.com/itm/Set-of-5pcs-String-Banjo-Machine-Head-Tuning-Tuner-Peg-Bushing-/111818188498
or Gotoh UPT Tuners e.g. http://www.theukulelesite.com/gotoh-upt-tuner-upgrade.html
Screws (M1.6x4mm) for body e.g. https://www.amazon.com/M1-6x4mm-0-35mm-Pitch-Socket-100pcs/dp/B00XP4ZWY2
Screws (M1.6x10mm) for fretboard long holes e.g. https://www.amazon.com/Socket-Screws-100-piece-Stainless-Thread/dp/B01H225A3U/