Tension nut and filament guide for 1/2 inch EMT conduit
thingiverse
I Added a new version (tension_nut_filament(1)) with an additional 30mm arm length. The increased hub hole on my larger spools caused these spools to drag, so I added more space between them. I also added a toothed clip for holding the filament when not loaded, based on thing 630789. This is useful if you have multiple spools loaded on your EMT at once. The design of coconnor55 inspired me to create a version that fits 1/2 inch EMT conduit. The nut was designed using FreeCAD and combines well with the guide arm from coconnor55's filament guide, which I created using TinkerCAD. Printing with 1.75 mm ABS filament has greatly reduced filament uncoiling and jumping off of the spool. Printer Settings Printer: DaVinci 1.0 with repetier host firmware Printing Options Rafts: None Supports: None Resolution: .3mm Infill: 10%
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