[Daren]

I made the case from 4mm timber, designing it on the computer first, to get the angles right. When the sections were cut to size, I taped it together while gluing. First taping the panels in place:

Then completely covering the panels in tape to stop any glue coming out when held in shape:

After applying glue and adding the end panels, I taped the whole thing into shape, and clamped it to dry: