TOGOAT Build Book

Earnie's Cirin-style rubber band car. Tap a step: its parts fly into place, earlier parts fade back, later ones hide.

bearings 693 3×8×4 mm need 7 · have 8 plain ring 8.15 snug flat ring 8.25 loose axle + stubs 3 mm rod wind ~24 turns
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AllWhole car

On the bench

1Chassis, X1C two-tone PLA, supports removed
4+4Wheels (2 rear, 2 front, black PLA, blue lip) and clear TPU tires
7693 bearings from the idler pulleys (1 spare)
6Adapter rings: plain first, flat-sided if plain won't take a bearing
1Rear axle, 3 mm rod, 99.75 mm, whole
2Front stubs, 3 mm rod, 32 mm
3Pins, 3 mm rod: race pin 20 mm, shuttle pins 2 × 8 mm
9PETG hardware: drive peg, shuttle, 2 collars, 2 rear sleeves, 2 spacers (+2 spare)
1Nose stack: base, 2 blue rings, cap
1Badge: black plate, white letters, blue keyline
—#33 band doubled, string, M3 set screws + hex key, CA glue, file, graphite
7PETG bushing sleeves: stand-ins if a bearing is missing