EEKizzle

Thanks for the reply. My google skills were weak. I never found anything on this or any other 3D printing forum (I did search for a few days before asking) but there is a lot written about CNC machines for "tool path generation algorithms". I think that will get me in the right direction. "Slicer" is apparently a bad search term when you want to dive into the technical details. I do appreciate your time though!

Does anybody know much about the inner workings of a slicer? Where is a good place to start? Are there good resources to read? I am familiar with programming but not at all familiar with the operations a slicer must perform to go from model to G-code. I came across Project Escher and that has gotten me very interested in researching multiple and independent print heads for 3D Printing. I think this would require changes to the slicer so it can figure out what print head should print what part of the model as well changes to Marlin to support a substantial amount of additional motors and also custom hardware. Hardware isn't a problem for me, but I understand very little about how a slicer does what it does. So does anybody have a good idea and interested in this as well? Or could anyone point me toward good resources to learn from?

Easily changing the nozzle size in 15.06 isn't supported yet. You'd have to have a different machine profile (.json file: found in Cura_15.06.XX\resources\settings) for each nozzle size you'd want to use. So for example you'd have to have: ultimaker2_0.4.json with the text "name": "Ultimaker2 Nozzle = 0.4", "machine_nozzle_size": { "default": 0.4}, ultimaker2_0.8.json with the text "name": "Ultimaker2 Nozzle = 0.8", "machine_nozzle_size": { "default": 0.8}, That sounds like a pain to me, but according to GitHub Nozzle Size will be a visible and editable field in a future release.