Full mold kit for the Bricolage Burner model BB-075. (for 3/4in threaded venturi burners)
Make your own efficient, quiet multi-port burner nozzle for your forge, kiln, furnace, etc.
See PDF for all details. Don't forget to print two "Shell" parts, and select the right "Cap" file, based on the metal flange you have. Remember, the Shell and Cap parts are reusable, if you take care of them.
Process video:
https://youtu.be/izCmRVpK0ZU