Great video. I wish he would go more into detail regarding the finished product, like how well does it perform? Does it rattle? Did he manage a good fit?
this post was submitted on 19 Mar 2025
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3D printing
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It should work fine enough for what it is and how much it might actually get used.
Being plastic, the squirrel cage blades are very light, but balance could be an issue, because of the unsupported end and depending on how fast it spins. As a desk fan, this one should not spin very fast or move a lot of air anyway lest it blows all your papers to the four corners of the earth. If you want to move more air, you need a different style of fan.
Getting a good fit, (Ender 3 or not), is a matter of tuning your printer, print orientation, and some test prints to check whatever windage you need to apply to get the fit you want. Post processing, like using a drill to ream out the hole for size and roundness is often needed to achieve that goal.
Over all, I think it's an OK design that will do what it says.