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I've heard people say you can mix sawdust from your workpiece with wood glue to make an invisible patch, but I've tried it twice (once in oak, once as pictured on ash) and both times it came out significantly darker and the surrounding wood. The glue is Tite Bond 3.

Does a different glue work better? How wet should the sawdust paste be? This is on the back so it doesn't matter a lot, but I'd like to have a good process for filling little mistakes.

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[-] Marafon@sh.itjust.works 14 points 4 days ago

Bonus comment because I literally just had to do this.

It's not uncommon for me to get tear out when I forget to use blue tape when cutting spline slots. This is an advanced scenario because we are going to have to sand in one direction to make sure we only get walnut dust in the boo-boo.

Using a sanding stick (literally just sandpaper glued to a plywood offcut), because a power sander would be too aggressive, I sand only in the direction of the arrows, I pick the stick up off the piece completely to reset. It's very important not to have any backward movement or you will get the pale maple dust in the boo-boo.

Voila!

[-] pageflight@lemmy.world 3 points 3 days ago

Thanks for the detailed description! Sanding the dust into the repair sounds like a nice technique. And seems like I was using way more glue, trying to make a paste.

this post was submitted on 25 Sep 2025
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