Use a poster board , any kind of squared wood for bottom with edges and christmas lights. Cut any size holes in the posterboard - christmas lights sit on bottom of square. shape the poster board and use a thin line of hot glue to hold them together. Done!
DIY beautiful cardboard lamp...this is soooo sweet...not great instructions, but hopefully you get the general idea....I think I would cover the "agons" with tinfoil or gold wrapping paper (or both..or even some other coloured foil wrap) but isn't this