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 Rainbow Super Kids
by ChicDesignCafe
by FriKrupp
by Easy Paper Origami
by marghebeadbybead
by L GRAFFITIS
by Simple Easy Art