PolyMaker PolyDryer Box PTFE Modification

PolyMaker PolyDryer Box Modifications I use the fantastic PolyMaker PolyDryer Box for my external spools on my P1S, particularly TPU filament, because you can't really run TPU through the AMS. The rubber grommets on the Box doesn’t do that well of a job holding the PTFE, and when I try to load or unload the filament the tubing frustratingly gets pushed out. Also, if you use the back facing port (not the lid port) on the PolyDryer Box you notice it’s the same side as the OEM humidity sensor and desiccant box, so if your Box faces rearward, you can’t see the humidity %. Additionally, I don’t like the desiccant container being part of the humidity sensor holder. To remedy these slight issues, I designed a simple coupler to use a PC4-M10 Pass-Through connector, a desiccant box, and a holder for the OEM humidity sensor. The coupler for the PC4-M10 Pass-Through connector stops the PTFE tubing from sliding out, it’s a much stronger, stable hold than the OEM rubber grommets or those plasti