Nice job! I have some Delrin I’ve not yet used…I need to try this, too.
A couple quick things:
Glowforge requires us to confine discussion of manual settings in their forums to the Beyond the Manual category. The current preferred practice is to either move the entire thread to Beyond the Manual or, to start a new thread there and, link to it from this one.
Also, you appear to have a duplicate of this post with a different title, which has the same issue with settings:
Very nice stamp! Delrin - another material to try…
How did you pressure the stamp?
Using a weaver master tool 4 ton press