Cerberus Carriage Tensioner
This tightens up the Dual 623 Wide V-rollers from http://3d.grabercars.com riding on the 8020.net 1515 series extrusions on the Cerberus Delta printer found here: http://grabercars.github.io/Cerberus
This tightens up the Dual 623 Wide V-rollers from http://3d.grabercars.com riding on the 8020.net 1515 series extrusions on the Cerberus Delta printer found here: http://grabercars.github.io/Cerberus