Yeah I've seen what people have made but they mostly appear to be modestly heated enclosures with desiccants. Desiccants get saturated very quickly here unless the box is super sealed (that's what I've been using for storage so far) so it's a drag. I also want to be able to heat this to maybe 80-85C to really dry out the nylon continuously in situ, so it has to be pretty well insulated or you'll use a ton of energy.
Interesting, we have the "cheap" Markforged printer - $15k hah - which seems to be stupidly reliable (never had a failed print). Their drybox isn't heated at all by the way, so it's not clear how much it makes a difference, but then we're not in a particularly humid area (North England) and the lab has air con.
