- limited colors: Denyse Schmidt modern solids (75 colors)
- limited quantities of each color: 1 square = 2 triangles = 2 blocks with any given color
- three neutral colors in additional yardage: Shell, Mist, Chamois can be used more than twice
- Both blocks that use a given color should use the same neutral; if they don't, the user needs to know because block construction will differ
- color swap functionality
- grey out color choices that have been used twice
- way for user to designate other colors as neutrals
- visual of which colors are neutrals/move neutrals to another part of the display
- block mover/rotation tool
- vary the number of blocks in the quilt
- dimension calculator
- swap out color set for another charm pack/fabric line