10 inch Equipment Rack r1
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Yet another 10 inch/10" equipment rack designed for mixing and matching parts.
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- Printables
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- Computers
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- Creative Commons — Attribution
This is my own personal take on a 10 inch equipment rack with a number of priorities:
Support easily replaceable hangers (square hole hangers are included) in case one breaks, or in case you'd like to use alternatives for hardware that doesn't fit standard widths (for example, slightly wider PDUs.)
Allow reuse of existing M6 mounting bolts and cage nuts with a square hole configuration.
Allow printing on 3D printers with smaller bed sizes (I'm using a 220mm x 220mm Ender 3 V3.) The longest pieces (around 268mm) can be printed diagonally across the bed.
Allow use of alternate corner supports. The design uses M3 nuts/bolts for assembly, and includes a repeatable corner design of its own, but it's also intentionally compatible with 15mm x 15mm MakeBeamXLs (or copycats) if you have them on hand.
Requirements (for 6U)
Select a corner type:
Print 4 x 6U length corners (included) OR...
Buy 4 x 300mm 15x15mm MakerBeamXL.
Print 4x side supports for the 2 sides of the rack.
Select appropriate hangers:
If you printed your corners, then print 6x + 4x square hole plates, and 2x 1U blank plates (for stiffness on the back of the rack.)
If you bought MakerBeamXLs, then print 6x square hole plates, and 2x back supports. You can also just install square hole plates, but the back supports are provided as an alternative for MakerBeamXLs.
Printing
This build is not picky. Both PLA and PETG have been tested. I've also tested it from 0.08mm layer height, all the way up to 0.28mm layer height, and all parts printed quickly, and bolts fit in holes with few issues. If you don't want to clean up brim, then I would recommend turning brims off, and using 3D printing glue on your bed. If you're going to be using the rack with network equipment that produces heat, I would recommend PETG if only for its heat resistance, but I had the previous version running for over a year with few issues, so PLA should be more than durable enough in the near term.
Again, I do want to stress: don't overthink, and don't over strengthen. I printed all of these pieces with default settings (10% infill, 2 walls, etc.) The corners don't need to be stiffened, as the hangers rest on each other giving additional stiffness even with a load. The side and optional rear supports have a bit of extra stiffening against twisting added, as does the 1U blank. Just keep in mind that this is still plastic and you should be fine.
Future Updates
I'm currently working on handles, sides, feet (and potentially, standard caster support), and improvements to the supports to allow coupling/stacking. I will update this model as time permits, but I do work full time, so it may take a bit.