Over a week ago, my co-chair in programming at my guild and I did an all day workshop on y seams and partial seams for our guild. We did hexagons- made a Tumbling block placemat and coaster and also wanted to teach the inset tile block. We ran behind because people did not precut the fabric as per handout instructions, so we lost about an hour and were only able to demonstrate the tile block. The block is called Scrappy Bow Tie by Rita from Red Pepper Quilts. However, I redesigned it so it would use 5" blocks, perfect to use up charm packs. We also made a unique way to cut the angle for the tiles. We also made marking templates from the cheap cutting mats from the dollar store.
I don't think the cool color blocks are going to mesh with the warm ones. I may have to make two separate quilts. I think a 1" finished white border may look like grout and could improve the quilt.