Bias are assembled like the shape of pineapples. As each layer may be colored differently, the quilter may prefer to make color distribution as a new shape maker.
Example:
Bias are assembled like the shape of pineapples. As each layer may be colored differently, the quilter may prefer to make color distribution as a new shape maker.
Example:
Sadiye Okyar's Quilt Gallery 
I find that analogy about bias and pineapple shapes very insightful.