drag chain mount update for openbuilds workbee cnc and 18x37 chain —

Founded drag chain mount update for openbuilds workbee cnc and 18x37 chain models & stl files for printing
Chain
Nostromo2112
Super Mario Chain Chomp
totallyaddicted
CNC edge holddowns
DrAndrewThomas
CNC Clamp
2n2r5
CNC Multifuncion
docker116
CNC Part Picker
having11