Temperature & Retraction Calibration Model

This is a single level of a calibration tower. Stack several of these for a good temperature or retraction tower. Recommended to print with 2 walls, 0 top/bottom layers, and 0 infill for best results. If sliced correctly with a 0.4mm nozzle and 0.2mm layer height, this uses less than 1 gram of filament per level.