This is a great part I designed because I couldn't find any good ones available online. I used it on my project you can take a look at here https://imgur.com/gallery/2mQM6Cb Though very useful I accidentally deleted the design from my Fusion 360 account… Forever it will remain as is. I installed this about 1.5" above the base of the bucket so I never got 100% drainage. However! if you put it at the bottom of the bucket it should be much better.
Here's the skinny:
Bingo bango you got yourself a bucket drain.
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The author marked this model as their own original creation.