Framebuilding Bits

This past Thursday concluded a semester of machine shop class at the College of Marin. It was my first experience with a metal lathe and vertical mill. When I first signed up for the class, it sounded interesting, but I wasn’t sure how useful it would be to me. I’m hooked! I made this free standing bottom bracket post and some adjustable tubing supports. I ran out of time to make dedicated bases, so I used some of the mitered supports as the bases, but I plan on taking another class next semester and making a few more bits and pieces.

Sometime in the future, I’d love to design and make a frame jig. There are a few really, really nice ones out there, but I can’t justify paying thousands of dollars for one since I don’t plan on selling any frames anytime soon. I have a vision of making one from 80/20 extruded aluminum and I would like to design something similar to what Seven Cycles uses. There are some other 80/20 designs out there that look much simpler, but I think the one in this video looks pretty pro.

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