With the addition of a fan this thing works great. The files are free on Thingiverse. The fan cost about $14 from Revain. With the addition of a fan you get even heating without it, it doesn't seem that good. I used the Multifan Mini model AI-MPF40A. And search for "FilaDryer S1 Fan", works great with double sided tape. All you have to do is drill a small hole for the fan cables and plug it into an available USB port. Run the fan at high speed for best results. Also added is a small humidity/temperature sensor with double sided tape.
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