I just added a back parameter to this, without a back it's two parts that seperate. I like printing it in two colors.
The original brain work was don...e by JustinSDK https://www.thingiverse.com/thing:1185425
3d model print parameters
Printer brand:
Ultimaker
Printer:
Ultimaker Original
Rafts:
No
Supports:
No
Notes:
I can get a really nice print if I choose wall_thi...ckness=2xNozzle_Size and print with zero infill.