Doug40 I recently added a Y-block switching hotend to the list of things I've tried on my printer. It took a lot of support from REPETIER, but everything works now and it adds a new capability to my Prusa I3 clone. I've tried to write down all the things I learned along the way. You can find it in the link below.https://1drv.ms/w/s!AoMNMLsOFAgFj-AnywOk94qGBizVrg</div>
