Ender 6 OE Enclosure retainers
thingiverse
You will need to print 1 of the retain_lg.stl and 4 of the retain_sm.stl. For the large part, you will need to use a 10mm m5 screw with a T-nut in the back and remove the back panel to install. The large is probably the most important piece to keep the lid from just pushing off the back when you open it. The 4 side parts use existing screws and have offsets as to not 'squeeze; the lid against the 'Y' rail. Printing with PLA is totally fine. I did 100% infill because they were small.
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