#3Dmodeling #PartDesign #FreeCAD community, I could use your help!

I have these two speakers, which came in their own plastic housing. I want to use them as part of a bigger device, in a 3D-printed enclosure. However, I cannot figure out how best to secure them in place.

As you can see, at each corner of the speaker, there is what looks like a mounting hole, so I was initially thinking of driving screws through two of them into either a threaded receptacle or a captive nut. However, there is very little horizontal space (my calipers say less than 0.5mm) surrounding the hole, where the flat of a screw head might gain purchase, so I don't think this is a viable option.

What other ideas do you have for securing these speakers in place inside a 3D-printed enclosure?
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@spencer i would print big 'washers' if you will. So that they fill the holes and create a distance for screws.

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