Cat Chair Wheel Hub

Tyre to suit, made from Flex
http://www.thingiverse.com/thing:959218

Axle Ends for Alloy Bar 12 mm x 3 mm
http://www.thingiverse.com/thing:959236

Axle Ends for Alloy Bar 10 mm x 3 mm
http://www.thingiverse.com/thing:959235