dart board wall protection with wine bottle corks. Using a sheet of styrofoam cut to size, cut out the centre for the dart board. Hot glue corks to the styrofoam. Then use Welbond glue to ensure the corks stay put.
Stool by Dmitry Kutlayev, via Behance has six peaces off wood all slotted together, well maybe the legs are joint by dowels or it could be a lap joint or a miter with wood spline, or just slots in general.