Prusa Power Supply Mounting Bracket

by LittleDangerous, published

Prusa Power Supply Mounting Bracket by LittleDangerous Dec 17, 2012
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I designed this power supply mounting bracket to fit my PSU which had a different mounting hole arrangement than the ancestor part this is based off of. The ancestor part was designed for PSUs with 2 mounting holes on both sides. However my PSU has 3 holes on one side and none on the other, but it did have 4 holes on the bottom, so I designed a combination of brackets to fit each unique mounting situation.

Source files inside zip.


Note: Because the rear brackets have to go under the PSU, you will need to raise the feet of your printer up for the brackets to clear. Clear rubber feet provide just enough clearance, and keep the feet from scratching up your desk.

Before printing these off, please check the rendered 2-view image of the PSU to see if the hole pattern matches your PSU. If it doesn't, then these brackets won't work for you.

However if it does, you're in luck. Print off 1 each of the Front Left and Front Right brackets and 2 of the Rear brackets for the size of rods you are using. There is a set for 5/16" rod and one for 8mm rod. These are designed for a snap fit, so they're specific to the rod size you're using. The rear bracket mounting hole is slotted to allow for some adjustment.

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I don't like the idea to be near the hotbed, the PSU can get hot if I forget the hotbed hot. Maybe I'm wrong. What do you think about it?

I don't think the PSU is going to get hot enough to affect the bed.
You could always put a little fan to blow air across the power supply to cool it if it's a problem.