4th axis laser able to be done or too much work for a x carve

[picengravertoo]

Here is an idea for a 3 axis rotary option.

Pen Engraving

You could setup a rotary fairly simple on an X-Carve. It would only require 3 axis motion to engrave text on the contour of a Pen. You could use a drum switch to change from one axis’s stepper (X) to the rotary stepper. You would need a way to lock the X axis stepper in place when switching to the rotary stepper and that can be done with the shaft coming out of the back of it. An aluminum disc that locks on the shaft with a set screw and it has a brass screw perpendicular through the disc that …