. Ultima PEI or PEEK or PECK or PP or PC but he does state the purpose right in his right up which is to print proper filaments without warping or spending 10k on a printer built in an oven and called an industrial printer
I've been keeping my eye out for a decent convection oven for a few weeks now. I'm glad I found this site and ran across this write up so I don't loose steam and fear that I'm more insane than I think.