[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 mesmerizing to watch – there’s ...

3D printing objects using ... They plan to use the money to scale up, build out their next generation of (much faster) printers, and hire up to around 55 people total over the next year.