Squedge 22.5 Tool/Ruler
A Squedge is a squared wedge. Wedges make circles, but Squedges make squares.
It can also make a 22.5 degree circle.
The 22.5 Squedge makes a 16" finished square (16 1/2" unfinished) with 16 Squedge pieces.
Use the precise slots for marking the inner shorter pieces.

Just a few of the block possibilities!!

Bonus Pattern Included!!