Creative Grid Square on Square Ruler - created by Jean Ann Wright
Create 4 inch or 8 inch square on square blocks. No calculations needed - all the cutting measurements are printed right on the tool! Trimming each round as triangles are added creates perfectly square uniform blocks.
The popular Snail's Trail block is now easier than ever - simply change the colors of the triangles!
The template comes with fully illustrated step by step instructions or scan the QR Code printed on the template to view a video demonstration.
Adele's Tips: starch squares before cutting into triangles. To stay organized stack all cut pieces in a flat box laid out like final block. Stack completed square next to machine to compare to as sewing. Use a contrasting marker to "point" out corners to line up with the square.
See How to Make Perfect Square on Square Blocks!