Cobra Dri - for SUNLU FilaDryer S1
Description
"Wet filament is the enemy. An enemy deserves no mercy." - Cobra Dri Karate chop moisture from your filament by combining the heat from your SUNLU FilaDryer S1 and the air circulation and desiccant storage provided by the Cobra Dri! The Cobra Dri fits inside the FilaDryer like chop sticks in Mr. Miyagi's hands. Banzai, Daniel-san! Okay, enough of the cheesy Karate Kid references. I thought my design kinda looked like a cobra snake and it helps dry, so.... Anyway, this design uses a quiet 24V 40mm blower that is common on the Creality Ender series of printers and is pretty inexpensive. The FilaDryer also runs on 24V, so the fan works easily without any voltage conversion. I soldered in a 40°C temperature switch in between the fan and the 24V socket inside the FilaDryer so you can leave everything plugged in and the fan will only spin when the FilaDryer is running. Make sure to leave the high temp silicon sleeve on the temperature switch as it needs to be kept isolated from the FilaDryer's metal heat plate (see pictures). This thing consists of 4 parts. The sliding bracket (CD Brkt.stl) that is fastened to the lid of the FilaDryer with strong, Scotch-Mount double-sided tape (411H), no screws or drilling required. The Cobra Dri (Cobra Dri.stl) slides on and off this bracket to make replacing/refreshing the desiccant possible. The plug (CD Plug.stl) screws into the side of the Cobra Dri to keep the desiccant from spilling out. Fasten the clip (CD Clip.stl) to the side of the FilaDryer using double-sided tape and route wires through it to keep them from touching the FilaDryer's heat plate. Make sure the wires are long enough that you can slide the Cobra Dri on and off the bracket! If you're considering my design, you're probably decent with a soldering iron, but see last image for awesome wiring diagram, if you need it. SUNLU FilaDryer S1: https://www.amazon.com/dp/B08C9RF7R7/ Creality 4010 blower: https://www.amazon.com/gp/product/B07MW1MS8S 40°C temperature switch: https://www.amazon.com/gp/product/B07PFV4CFG Scotch-Mount double-sided tape (411H): https://www.amazon.com/gp/product/B0083K36KA
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