40mm to 30mm fan adapter for Pi3 touchscreen case
thingiverse
From https://www.thingiverse.com/thing:2809235 I didn't have a 40mm fan, but I had a 30mm fan. Made this so I can use that fan. It's not a perfect fit, but gets the job done. Easy print. No supports or anything, and it takes about 15 to 20 minutes to print. I included the fusion 360 file because it's not quote perfect. So if anyone else want to round some edges, and and make it fit better, go ahead.
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