https://hackaday.com/2022/11/29/tiny-3d-printed-ho-scale-escalator-that-works/
Tiny 3D Printed HO Scale Escalator That Works | Hackaday
Nov 29, 2022 - [Luke Towan] has a cool HO scale Escalator mostly made of 3D printed parts, with some laser cut acrylic, for a station on his HO model railroad. Escalators are...
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