I have been folding paper over at The Studio as part of their Advent Projects. I took a simple little Origami folding technique and after making hanging decorations and a garland I worked out that these shapes would be perfect to construct a Christmas tree
If you fancy having a go, pop over there to download a step by step guide.
ETA 28/11/11 - I've also shared the method directly in a blog post over at It's A Creative World here.
