50mm Fan Backwash Guard

Remixedish... Inspired by but designed from scratch, for a lean fixing free backwash guard for all your square fan needs. I'm sure you could scale this up and down on the plate but if you wanna remix, redesign or straight up plagiarise go ahead on onshape: https://cad.onshape.com/documents/d5d46f319cbc497d89007f95/w/97f3a44485e240be9b96b7fb/e/e752ee600e9145898f08bb2b

Update as this was my first thing you will need to flip it 180o to print flat.

Update v2 now here after the original throttl