optimum mb4 3d models

The particularly strong retaining ring ensures an optimum fixing of the tool in the holder. The especially strong permanent magnet makes sure that the bits are held absolutely securely. 1/4" hexagon, suitable for holders as per DIN ISO 1173-F 6.3.<br...

However the x,y,z motors run quite hot so I am thinking about experimenting to see how much lower the current can be set to find the optimum between performance and heat. Turns out 0.5v for x,y and z seems to give good print quality, low noise and...