MPSM Side plate with vents / bed-rewire / SD Extension.
You can easily remove it to access the USB port.
I have also added air intake holes behind the printers control card, so the fan draws more air across it. I do not like the ones with the vents right in front of the fan as it basically nullifies it's cooling power.
You need two 4mm screws with 25mm long shafts.
The holes in the plate are tight enough that you can thread them through from the back. The holes in the cap should be large enough from them to snugly slide on.
You also need 2 M4 x 4mm Female Thread Brass Knurled Threaded Insert Embedment Nuts like these:
They work great as little nuts on their own.
I used this plate as a base:
Apologies for the crappy sound and the out of focus video :(
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