You may get involved with charities that ask you to crochet specific-sized granny squares, like the one pictured here. With granny squares, you can stop at any time to get the size they request.
 
The size shown here is 12” x 12”. I crocheted a maple leaf because it was part of a Canadian initiative in winter 2026. You can find the maple leaf pattern here. 
 
Acrylic 4 Ply #4 Medium Worsted Yarn (usually value-oriented yarn)
A - Colour of your choice. 
 
One square takes approximately 54 grams. In Red Heart Super Saver or Bernat Premium, you can get 3 ½ squares out of one ball. 
 
Hook: 5 mm / H/8
 
Size: 12” x 12”
 
Gauge: 14 sc and 15 rows = 4” [10 cm]