I've been using several sizes of 3L adhesives for about 3 years. There're many cases to make dimensional works in these several years. I rarely make flat works.
I love to use Pop Dots, Glue dots, and this '3L Adhesives Foam Squares - both black and white colors - ' to easy to express depth of the elements.
So these are come to be one of my must tools!
The thickness of this adhesives are between Pop Dots and Glue dots (mini or craft). So priceless!
I am a fan of 3D foam squares because they add more dimension to scrapbooking layouts and jazz up possibly boring pictures. I also like this brand because the squares don't stick together in the package.