I am working on another Kaleidoscope quilt and have been obsessed with exchanging wedges between 2 slightly related blocks. While the blocks appears difficult, it is one of the first I learned, and is not difficult at all and the blocks are a perfect choice for using leftover WOF strips. The corner have not yet been selected. There is NO effort at matching wedge seams - your eye does the "matching".
I was getting mixed up - these 2 were NOT made of related fabrics. (Obsessed for a while!) 
