Prusa Mk4 Frame brace for when PSU removed from original position
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A very rigid frame brace with wire terminals for use when moving PSU away from heat-bed for enclosure printing.
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- Printables
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- Prusa Parts & Upgrades
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- Creative Commons — Attribution — Noncommercial
This is part of a larger project to build an enclosure for Prusa MK4.
I made this brace to put in place of moved PSU. The Brace includes a block which optionally could be used to connect electrical fork connectors and a cover which would clip over any connections.
This additional feature might be useful if adding lighting a camera, a fan to extend PSU wiring by a few feet whatever and only added minimal time to the print.
On the original model I printed I made the terminal nut/bolt holes for wire connection a little small and they would have needed drilling out slightly to be usable so have updated the design which should now be fine. The holes to connect to the Mk4 frame were correct. Note MK3 frames are different and this model is only for MK4.
Printing:
I printed this in PETG using following Prusa slicer settings.
0.4 Nozzle 0,2 layer height. Infill 25% (No need for more its very rigid)
Generate support material. Think I left as overhang 40 degrees. I would recommend less (25 degrees) as there's a lot of holes with support material to remove and 25 degrees should be enough. I also used Fuzzy skin but only because I used a clear filament which looks better with a fuzzy skin. Fuzzy skin all walls 0.15,0.4