ultiarjan 1,076 Posted May 21, 2015 in combining material types (edited) I just tested a (dual extrusion) combination of Refill recycled PET (245) and PLA (205), printed ok, but failed as the PET does not stick AT ALL on top of the PLA ... (on a flat layer) anyone knows which material combinations stick or don't stick ? When mixing "side by side" and 20% overlap it's ok in this case. FYI, the 2 headed UM2 setup: http://ultimaker.com/en/community/view/10657-a-different-multi-extrusion-approach-um-tool-printhead-changer?page=27#reply-107302 Edited May 21, 2015 by Guest Share this post Link to post Share on other sites