[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 something ...

3D printers are great at creating small objects – and some can even be pressed into doing larger things, such as cars – but a 3D printer able to print a full-sized house would have to be, well, bigger ...