Drybox port with hygrometer holder
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A secure 60mm round drybox port for PC4-M10 fittings, with a hygrometer holder.
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- Printables
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- Accessories
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- Creative Commons — Attribution — Share Alike
I designed this container port and hygrometer holder to get rid of some annoyances with others I've tried. This one is threaded for a PC4-M10 connectors, and designed to fit a 60mm hole. The hygrometer holder clips securely onto the back side of the port, but if you really want to be sure I've added holes for an M4*16mm machine screw and nut, to clamp it firmly onto the port.
What this model solved for me:
Drybox port can't be pushed into the container. Some drybox designs try to preserve the function of the original box lid, with push fit ports that fit to the underside of the lid. I found over time these tend to work loose, and if it happens mid print that can make a horrible mess.
Hygrometer stays put. Other hygrometer holders I tried take up space in the bottom of the box which is useful for more desiccant instead, or depend on double stick tape, which tends to fall of polypropylene eventually, leading to hygrometers rattling around inside my filament boxes. This holder makes it impossible for the hygrometer to fall out.
PC4-M10 connector threading: other port designs I've tried were threaded for PC4-M6 connectors, which I mostly found reliable, but sometimes would get ones with a burr on the inside, that scratched filament and created a lot of drag. PC4-M10 connectors allow the PTFE tube pass all the way through, preventing this.
The default holder here is for the square type of hygrometer that has rounded corners and shows a baby's face. I've also included an .f3d file with parameterized versions of the holder for the various types of oblong and round hygrometer available on Amazon. I nearly made .stls for these, but on comparing 3D models and product listings, found a variety of different measurements. I don't have any of those types on hand to test, so apologies if the clearances for retention clips are slightly out.