Playing with Autodesk's ShapeShifter. This is another retraction torture test. See how far up the Z-axis a printer can last without backing the filament out and splicing the form. You get a vase if the printer is fully calibrated. Video here: https://www.youtube.com/watch?v=w7gR_0LUj9w Print Specs No support 1-2shells 5-10%infill Torture Test Level 8 … If you want to really check endurance/retraction calibration you will print this part. http://www.thingiverse.com/make:107066