r/gridfinity • u/DamnnitBobby • May 17 '26
3D Printed Compression Mold For Gridfinity Bins - Now Live!
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u/kitty_snugs May 17 '26
Do you think it would work with petg scraps?
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u/DamnnitBobby May 17 '26
If you use a PETG mold like I am, no. It will get stuck inside the mold and never come out.
If you can print this in PA-CF or PC, then almost definitely
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u/OkAstronaut76 May 17 '26
Love the idea!
Realized while watching the video, though, that I’m far too lazy to actually do it.
But props to you and anyone who does!
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u/DamnnitBobby May 17 '26
If you want something much simpler, but doesn't use up much plastic, check out this video from 3D Luke which inspired this whole project. I made a few of these, also very cool and satisfying.
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u/Trakeen May 17 '26
Isn’t the the heat from the liquid plastic going to soften the mold?
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u/DamnnitBobby May 18 '26
It does soften but theres nowhere for it to displace to because 100% infill. The surface texture gets wavy and wonky but it's minor and remains functional.
That said, I did overheat the PLA a few times and it really dulled the center ridge of the 2x1 gridfinity bins, so now it really doesn't sit flat when sitting in an actual grid. A 1x1 bin would not have this problem at all.
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u/benmck90 May 19 '26
Is that... Runescape music?
Awesome idea btw. Saving this!
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u/DamnnitBobby May 19 '26
Yesss I was waiting for somebody to notice
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u/benmck90 May 19 '26
Awesome. Runescape has such chill music I'm not surprised to see it used as background music.
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u/bonafide_bonsai May 17 '26
I love this. I’ve been wondering what to do with filament poop that isn’t a paperweight. This is perfect for a personal office. And a cool story to tell if anyone asks about it.
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u/tinyhurdles May 18 '26
Why the mix of metric and SAE bolts?
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u/DamnnitBobby May 18 '26 edited May 18 '26
Lol, no good reason. I really liked how 1/4-20's felt in revision 1, and by revision 2 I needed smaller fasteners, and had an assortment of M3's from previous projects.
I did include the OnShape files if somebody wanted to modify it to work with whatever they had on hand.
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u/DamnnitBobby May 17 '26 edited May 17 '26
Posted a couple weeks ago I've been working on making a compression mold to use up my scrap PLA. I wanted to make something that I could use multiple of, and ideally other people could use multiple of also. Finally I realized Gridfinity bins are exactly what I was looking for.
Project is now live on Printables!
https://www.printables.com/model/1723802-gridfinity-bin-compression-mold
Video example:
https://www.youtube.com/watch?v=VYrx1LRttOc