We’ve been having a good old time with this over on the Pocket Knife community, but I figure there’s probably a lot of crossover with this crowd as well.
I’m sure you’ve seen various clever little one piece utility knife blade holders on Thingiverse and so forth, and while they’re quite functional I don’t think they’re nearly as overwrought or silly enough, nor require quite enough components.
Rather than repeat my entire post from there over here, I’ll leave you with these:
Link to .STL Files And Assembly Instructions
The chamber is not heated per se, but if you cap it off with the included lid the bed heater can raise the internal temperature quite a bit. There is no PID for the chamber temp, though. It just winds up being whatever it is due to the waste heat feom the bed and extruder. You can’t actually control it.
That said, I have printed ABS with it no problem. I have a roll of PA-CF, but haven’t unwrapped it yet because I’m still chicken.