Crispy HotEnd

A Bit of Background

This HotEnd was developed after struggling with the fact that in Argentina (were I live) PEEK is very hard to come by, very expensive and a controlled material (since it can be used to manufacture guns).

Therefore, I went and designed a PEEK-free HotEnd.

Since PTFE is available and fairly cheap, I started to work on building a HotEnd based on that insulation.

PTFE is easy to work with, threads don't last much and are quite fragile, to solve this I went on and designed a "contained" PTFE insulation.

I took some ideas from the Budaschnozzle (which I tried, unsuccessfully, to build replacing PEEK with PTFE)

I'm a Hobbyist Lathe operator, so a lot is done on my lathe. That's a lot of help and makes this cheap.

I Hope some people out there find it useful.

Gustavo "Crispy" Blanco

The Crispy HotEnd

The Built

Tipically I star with the Barrel.

It's a 50mm 12mm Aluminum round bar which it turn to 8mm in diameter for 45mm, and make those 45 mm a 8x1.25 Thread.