This is just how to make a 3D triangle, it's really easy, you only need 3 sheets of square paper, any size is fine, and you put the pieces together like a puzzle and then you have a totally awesome 3D triangle!!!!!
by DiY BiGBooM
by Christy Hills
by Home Sweet Home
by ART DAILY
by Rokolee DIY
by 365BOCETOS
by How to draw with TF