Quick release for t-slot aluminum profile

These Extrusions are perfect for making small assemblies such as machine guards, jigs fixtures, 3D printing machines, custom displays…etc •Extrusions have a

1 Meter, T-slot, 2020 Quarter-Round Smooth Aluminum Extrusion for Frames

round t slot extrusion If you don't need the slots, 8020 sells matching square tubing, I would guess you could bend that for the profile and use two extrusions for the

round slot machine cake I'm not in a hurry since new wheel hasn't arrived yet but is it so that nobody else doesn't want to adjust the pedals depending on car?