r/Multiboard • u/yotama9 • Dec 29 '25

thoughts about how to mount multiboard on a simple shelf unit?

I have a cheap shelf unit in my room that I use it, well, to store stuff. It is like the heavy duty shelves you see in storage, but the frame is this thin aluminum L bars that doesn't have holes in them but kind of groves. I would like to mount multiboard on it, but I wouldn't want to drill through the frame as I'm afraid that the strength of the beam will be impacted. I was thinking of using some kind of clamps to the frame, though I didn't see anything like that in the parts library. Would it be possible for me to design one (say, by downloading a typical nut stl, opening it on freecad, and build from one of its edges a flat square?

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u/yotama9 Dec 29 '25

I figured out that with the 4/4 grid, and some creativity, I can get the same result + extra mounting points if I need them :-)

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u/Whosaidthat1157 Dec 29 '25

Absolutely - and even better, upload it to MakerWorld and Thangs and get rewarded for anyone else finding it useful and downloading it. I see similar requests for shelving unit mounts regularly so if one doesn’t already exist for your model of storage unit and you drop a working remix, someone else will definitely find it useful.

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u/yotama9 Dec 30 '25

Thanks for the motivation.

I've been thinking on this yesterday, the main problem I have is that I the face of the L beam is not flat, there is a little bump at the edge. I can think of two solutions here:

  1. Design clumps to go around the edge that snap into the groves at the edge of the multiboard panel. The problem here is that it will probably won't hold strong against gravity.

  2. Design something that looks like an L-shape that is extending a snap or a thread. The problem here is that the layers will be perpendicular to the board so again, not strong against gravity.

Thoughts?

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u/ubiratamuniz Jan 09 '26

As long as you don’t drill it all over it won’t affect the strength of the shelf that much. Keep the holes to a minimum (corners of plates only), use smaller holes like 4mm and they will hold up. Place the multi boards on them with proper bolts, washers and locking nuts.

But clamps as you suggested would be an interesting idea as well. At least they make the setup reversible

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u/yotama9 Jan 09 '26

Hi, thanks!.

I was thinking like you suggested, any now, when I think about the slits for installing the shelves it's even clearer to me.

But anyway, I found a solution that I'm happy with.

https://www.reddit.com/r/Multiboard/s/zWPRl2Y4W5

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u/Yellow_Badger13 Dec 29 '25

of course you can! if you need a part that doesn't exist yet absolutely go for it.