Harley Davidson Sportster primary clutch/chain inspection plug

The threaded plugs on my primary cover were mismatched and banged up, this being a nearly 40 year old bike. After reading around and finding out PETG would be fine with the oil, I decided to make my own plugs.

Currently I have a couple cap head allen bolts threaded into them to use with any flat tool to thread and unthread the plugs, but I might try some designs that allow a tool to be inserted like some of the stock plugs have.

Also, I printed these in white because that was what I alread