Recently, the Open3DP innovation team demonstrated their integrated 3D printer motherboard at Metrix CreateSpace. The motherboard can support 4 stepper motors and one extruder and one heated print bed at the same time. Open3DP has been tested on the PrintrBot for several weeks. It can easily support 1/32nd-step steps, and it also supports an independent power supply heating bed. Motherboard BrainWave printed by a 3D printer Motherboard BrainWave printed by a 3D printer It is reported that the official price is 100 US dollars. (Editor)