Adapter for the 30x30mm NEJE 20Watt Laser on a Stepcraft CNC.
This adapter is made so the NEJE laser will fit snug in and both are easy plugged in the toolholder plate of a Stepcraft or other CNC machine with a 43mm diameter toolholder.
The NEJE laser is found on most famous Chinese websites.
Supports is advised on the outer edge of the adapter (only on build plate).
The author hasn't provided the model origin yet.