Theo Jansen Strandbeest walking mechanisms Pins

I have created pins to use to connect your Strandbeest parts together. Simply slide the pieces on and touch with a soldering iron... instant rivets.
I printed these in multiples.... if you print one the part gets to hot and warps.
gcode was generated with Matter Control - MED default
Head
7.5mm dia
Shaft:
3.5mm dia.
13mm len.