Here's a little 2 step visual guide to hanging our calendar decal. The first step is the most important. Hang in straight! :)
Second step: Make sure you are hanging it straight.
You can place each square however you like. We needed to fill a big wall, and this definitely did the trick.
And then there's a lot of fun to be had playing around with chalk.
Seriously, don't get fooled twice out there! That is the worst.