Filament Shelf Wall Bracket (EMT)

Brackets for creating a filament shelf using standard 0.5" EMT conduit. Low filament, fast print.
9h 16m
3× print file
0.30 mm
0.40 mm
295.00 g
24
110
6
914
updated October 16, 2022

Description

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Filament shelf supports for storing filament spools, filament spool boxes, etc on a wall. Designed to be used with standard 0.5" EMT conduit.

Inspired by RepRack https://www.printables.com/model/129024-reprack-system-by-repkord but design to use less than half the filament and fit 2 brackets on a Prusa Mk3S bed for easier printing.

Buy enough EMT (Electrical Metallic Tube) to span the desired distance twice (10' and 5' lengths typically available. EMT can be cut simply and cleanly by hand with a tubing cutter and possibly some pliers to torque the). Remove any stickers with a heat gun and clean the surface with mineral spirits.

Brackets were printed with PolyMaker PolyLite PLA Pro for the strength and printing ease of PLA with increased toughness.

Design is optimized for Arachne slicer default in PrusaSlicer 2.5.0 allowing for strong perimeter-only prints (# perimeters set to 20). Filament temperature increased to 220C for higher flow rate and PLA Pro specs. Speeds were increased to reduce print time without a noticeable decrease in quality with draft mode 0.30mm layers.

Installation steps:

  1. Find and mark all studs along installation wall at approximately the desired bracket installation height.
  2. Print a bracket (left or right) for every stud on the wall. (Filament is heavy! Only screw into studs!)
  3. Work all brackets onto the pair of EMT. This can take some time due to the tight tolerances of the holes. Holes can be sanded larger if the end up slightly too small. Start half of the brackets from the left end and half from the right end and space them out to approximately match the spacing of the studs found.
  4. Mark a height for the top bracket screw hole on a stud both the left and right sides of the planned shelf span.
  5. Screw in two brackets of the shelf using the top hole centered on the level marks from step 4.
  6. Screw in the remaining brackets through the top hole.
  7. Use a short level to align each bracket vertically before screwing the bracket in through the bottom hole.
  8. Load the shelf!

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