Tested on Ender 3 Pro with Creality PLA gray filament: - 200C Hotend, 60C Bed - 100% Fan Speed - 0.6 Nozzle - 0.24 Layer Height - 10% Infill on Telescopic Rods, and 100% Infill on Spring Please add supports for the Upper Telescopic Rod to maintain perpendicular to the bed and as well to the Spring