Snapmaker original's layer cooling fan is not adjustable.(Always on).

This adjuster provide to manual cooling air adjusting.

Check below. https://twitter.com/N3uuSp3ak/status/1238499397916229632

===BOM===

・Rotary switch (12 contacts )

Cosland RS-2688-0112-38N http://akizukidenshi.com/catalog/g/gP-00100/

・Diode　1N4007

・XH Connector housing

・XH Post with base

・XH Contact

・some Wires

・Printed housing

Category: 3D Printer Accessories