Apparently, it's 'National Pi Day' in the USA - 3.14, March 14th (yes, it makes more sense the way the Americans write the date). I like circles in my quilts, so here's a few quilts and blocks for today's eye candy.
There were a LOT of circles as blocks in 'Japanese Quilt Blocks to Mix and Match' and 'Japanese Taupe Quilt Blocks'.
There's a few other quilts where the circle is used as the main motif -