Ladies are buying cash register (adding machine) tape, comes in a roll, couldn't tell you how many feet are on each roll, but it is a lot. Some are just sewing strips on it using it as a foundation, others are sewing scraps together using it as a foundation. It seems the tape keeps things straight and these can be sewn together. Some have show them here on the board, maybe you can search for them. Try either cash register or adding machine. As I continued looking through recent topics I found this:
http://www.quiltingboard.com/picture...r-t226393.html I think you will be able to see for yourself.