Sticlete -
Start with a perfectly square piece of paper (a post-it note is ideal).
Cut along that line. Take the piece you just cut and slide it directly across to the right side of the square. Sticlete
To make a proper template that will tile across an entire sheet of paper, follow these steps: Start with a perfectly square piece of paper
Draw a line from one corner to an adjacent corner on the left side. It can be a simple squiggle or a complex zigzag. just slide it.
Align the straight edges and tape the piece to the right side. Do not flip or rotate the piece; just slide it.