I was looking at an old Boom thread and found this list of free block sites we used to post every Boom swap... Here it is, copied in its entirety:
Here is the list of the websites we like and use for block patterns, followed by some books that have 12" blocks. I will try and post these every swap.
https://www.quiltingdaily.com/free-q...ls-quilting-3/
https://www.patchworksquare.com/index.php
https://www.generations-quilt-patter...-patterns.html
https://www.quilterscache.com/QuiltBlocksGalore46.html
http://www.delawarequilts.com/BOMs/index.html
Good books that many of us use:
Around the Block.... Judy Hopkins
Around the Block Again... Judy Hopkins
Once More Around the Block... Judy Hopkins
1000 Blocks book by Quiltmaker magazine
Tula Pink City Sampler (modern style)