Bicycle Cupholder Container Adapter
Adapts a cheap bicycle cup holder to hold beercans and bottles. Two versions... the 16oz and the tallboy. Created in Sketchup, repaired in Netfabb Basic as it had holes... printed with a TOM MK7 Sailfish accelerated in PLA
Buy cheap cupholder, print adapter, insert beer, ride bike in place for a few hours generating electricity and not getting a DUI or endangering anyone.