Tubing+heater Here you can see the nozzle and how it is formed near the cartridge heater. Part of the Heater 2.1 design for CandyFab. Read more here. ← Previous Album: CandyFab: The Evil Mad Scientist 3D Fabricator Next → Photo by Windell H. Oskay CC BY 2.0 September 18, 2007 Canon PowerShot S3 IS