As I'm currently building some synthesizers, I regularly use a small speaker so listen to the sounds I create. I didn't want to just lie around in my parts bin anymore, and break, so I built a small guitar-amp-like speaker cabinet for it.It's made from 5mm MDF, using a laser cutter. The 5mm are serious overkill, but I only had 3mm as an alternative, and with the M3 screws, that wouldn't have worked that well.I added the "TinyCab" lettering on the pictures in Corel Draw, right before I sent it to the cutter, so you won't find that in the design files.It's completely parametric, so you can resize the box to any size you want. In the "front" module, you can also replace the cutouts for the speaker, to make it match whatever speaker you're using. You could probably also use more than one speaker in the design.