About This File
Tribal Armor has been kind enough to share his files for the platen lift system here: http://opendtg.com/viewtopic.php?f=20&t=824&sid=b09328e937359caedda61521d9ccd1d0
30 tooth pulley for stepper motors.
Solid so you can drive whatever sized bore you need.
Designed and contributed by: reptilesink