Self-leveling Can holder for Bicycles

This holds a standard size drink cans and will mount to most bikes either in the middle of bars with a 31.8mm diameter (most bikes, including road) or to one side of most non-drop bars using the 22.2mm clamp. Some hardware will be needed, I used some metric nuts and bolts I had lying around, see below.


Printing:
The holder itself prints upside-down in one go. Support is needed however, not only underneath the flat section, but also for the pegs that connect the concentric rings. This supp