This is a spring-loaded head that you can attach to your CNC machine in order to mark a part with sharpie. This device can hold both Fine tip and Ultra Fine tip sharpies as there are 3 tightening bolts to align whichever pen you'd like.
Hardware required:
Qty 3: 10x32 2" long partially threaded bolts. McMaster-Carr PN: 92196A279
Qty 3: 10x32 5/16" long threaded bolts. McMaster-Carr PN: 92196A266
Qty 3: Springs 1" long. McMaster-Carr PN: 9434K44
Recommended Print notes:
Infill: 50%
Walls: 3
Print parts vertical as shown in the second picture, such that the red box is the print bed.
Print has pretty tight tolerances so may require a bit of post processing to work exactly as you intended.
Enjoy!
The author marked this model as their own original creation.