bfb hot end model

Model of the BFB\'s (http://www.bitsfrombytes.com) hot end (best hot end I tried). Unfortunately not easily manufactured if one does not have access to some fancy tools, but luckily BFB sell them as parts.

modules in the scad file:

hBarrel(diameter_of_the_nozzle);
This is the aluminum heat barrel. The heating wire goes around the \"notch\" (r=4.48). Thermistor goes into thermistor hole.

hPeek();
This is the PEEK insulator. Peek is used for strength and temperature stability.

hALU(