Quilters have often used stained glass patterns. The great thing is many websites that offer stained glass instruction and galleries also offer free stained glass patterns that may be used for other crafts including quilting.
The patterns may also be adapted to many other crafts where a simple line drawing is all that's needed.
One of the oldest websites for free stained glass patterns is still going strong looking for the newest offerings online. You can visit it here...
Free Stained Glass Patterns on the Web