USING ORIGAMI TO CREATE AN EQUILATERAL TRIANGLE FROM A RECTANGLE (A4, A5 OR A6)
Keep in mind that all sides of this triangle will be of equal length and the inside corners will be 60 degree corners. Light blue equilateral triangle Instructions Step 1 Place your rectangle down in portrait orientation - short edges at the top and bottom. Step 2 Create a vertical center crease line by bringing the left long edge to meet the right long edge. Crease and then unfold. Step 3 Bring the bottom right corner up to meet the center crease you just created. The fold should start from the lower left corner Make sure not to complete the crease until you obtain a very clear straight line segment stretching all the way from the bottom left corner to the center vertical line. Crease and leave folded. Step 4 Now, bring the top right corner downwards, towards you as far as it will go, making sure that the right edge of this new fold lines up with the already-folded hinged edge of the previous step. The top of the shape should now form a long ho...