L1 · Stair lift · in development
A staircase that walks the marble up.
Two sets of steps on MDF cheeks move against each other, driven by a double crank on one 8 mm shaft. Each stroke lifts the marble one step of about 25 mm.
- Footprint
- 3 to 7 steps long
- Drop
- lifts 120, 270 or 410 mm
- Moving parts
- 2 step sets, 1 crank, 1 motor
- PLA, 13 to 22 h
- Laser
- MDF 4 mm cheeks and walls
- Bought parts
- NEMA 17, bearings, coupling
- Variants
- L1_120, L1_270, L1_410
Three heights share one drive. The stair lift is quieter than the screw and shows every step of the way; it is designed and checked in CAD and waits for its first print.
This module is a concept model: it runs in CAD and in the simulation and is not yet released for printing.
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