This accessory was designed to fix a scalextric guide issue related to snapping wires.
To complete this setup you will need 2 eyelets of 1.5 mm diameter.

more about it in this video: https://youtu.be/IP3rk_fAIX0

NOT FOR COMMERCIAL USE

Anycubic

All-metal Mega

Doesn't Matter

No

100

It's easier to print a whole bunch of them at the same time.
Try to print as higher definition your printer can handle.
Also try to get as many seams away from holes.