Bullseye 4010 to 5015 converter
cults3d
The original thing here (https://www.thingiverse.com/thing:3419171) does not allow remixes but at the same time it also does not work. It was far too thin for my fans to fit so I fixed it and uploaded. Fans will fit into this perfectly. Print it upright with supports touching the build plate. I suggest setting the support angle to greater than 65 to prevent high support towers.
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