Buffour

Initially designed as a four-way connector closer to the hot end, it turned out a microswitch could fit inside.

Considering variations in printing accuracy, if there are triggering issues, a small section of Teflon tubing can be cut into a shim to adjust. You could even 3D print one.

Print using the provided 3MF file, or carefully review the images in the printing instructions and modify as needed. However, it is crucial to remember that the model is small, and theoretically, there should be no supports inside (affects smoothness).

BOM:

D2F-5L MICRO SWITCH

3.9-4.5mm Ball, please cut a suitable thickness shim plate from a Teflon pipe and insert it between the microswitch and the ball to adjust

M3x6 2pcs.

M3x8 2pcs.

STEP FILE ADDED