Super simple prototype but if it works… Very cool idea!
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I thought it was pretty common knowledge that these dryers lack airflow. There are tons of printable wedges in printables.com and thingiverse.com to keep the lid open.
This alone speeds up drying massively. Adding a small fan to the opening might be even better but I never found it necessary.
Maybe. I actually have a dehydrator I use with plenty of airflow.
But I think that only solves part of the problem because that makes it really good at drying the outside but it’s still going to have trouble past the first couple layers. I think the fact moisture would also have a hard time penetrating means current options work well enough.for most people.
Anecdotally I can support this, recently I had a particularly old roll of petg that I dried for a larger print and later in the print started getting all stringy and messy.