Lightcycle Dactyl https://github.com/adereth/dactyl-keyboard

Printing takes about 3-4 hours per half.

Sliced with fastest possible CuraEngine (Repetier host default) settings:
Nozzle: 0.4mm, layer 0.3mm.

Supports: overhang 50%, fill: 5%, XY: 0.8, Z: 0.15, pattern: Grid, touch: Bed.

File: lightcycle-cherry-top-left.stl

Object Placement / hours / filament needed:

rotate Y  0: 4h 08m 32262 mm * original
rotate Y 16: 3h 22m 26398 mm
rotate Y 15: 3h 20m 26347 mm * fastest
rotate Y 14: 3h 22m 26561 mm
rotate Y 13: 3h 26m 26777 mm