Step 1: Make a Big Square
Fill in the big square with light-colored paint.
Silkscreening paint works better. I wanted to do it fast, so I grabbed a can of spraypaint.
Now my shirt is really stiff.
I also lasercut a fine grid of points, because I was playing around with the laser cutter.
that's __totally__ unnecessary. Just tape off a square or something.
Step 2: Write on It!
Now the world knows that you are part of the instructables community!