This is first version, I did it after having some problems with filament made from Filament Extruder of my (designed by Sr. Hugh Lyman) My goals: It solves two major problems (in my opinion): Results after drying: An important, all thing above is only my personal opinion, I hope and I will listen to the opinions of people, thanks. Below is detailed of the mini dryer : . Heat band: 250w, ?30mm x L. 60mm . Drying temperature: 100-125°C . Drying time: 30’-45’ . Capacity: 1 kg plastic . Dimension: W.150mm x L.160mm x H.300mm Cost about: 100usd Video link: https://youtu.be/63xcl10QMIM I hope it will be useful for someone By: Thong NguyetVietPlease view details in PDF document and Video