mini one pocket 3D printer

smallest pocket 3D pirnter in the world.Adopt low lead 15mm step screw, 0.2mm nozzle, print size 45mm45mm40mm, the debugging accuracy should be able to kill a thousand yuan machine in a second. Course is as follows https://makerworld.com/zh/models/903275-original-open-source-mini-one-the-world-s-smallest#profileId-862784