I saw these rulers at the quilt show this fall. The gal made them look really easy. I didn't buy but always wondered if I should have. I will be watching this thread and will decide by the comments on if I should buy.

There are more than 50 videos showing Ruler work on Domestic Machines including Bernina at https://www.youtube.com/user/Westalee/videos?sort=dd&view=0&shelf_id=1

Bernina video: https://www.youtube.com/watch?v=Y6N6Mn_0d4Q

looks great! I love rulers on the long arm and frankly am just impressed that you can use them on the DSM--moving the quilt while holding the rulers, etc--wow!