Diagonal Set Triangles Rulers

Cut Perfect Corner and Setting Triangles

Uses the same corner concept as our templates. One multi-size ruler offers a no-math solution for cutting both the corner triangles and the larger setting triangles that are needed when patchwork blocks are set on point. Available in two sizes, each ruler is small enough to handle easily and large enough to get the job done right. The small ruler is perfect for small quilts, many border designs and even many square-in-a-square designs. Get more details on how to use our triangle rulers below.

Make your rulers do quilting tricks! Click here to get a pdf on patchwork tricks and here for a page on making blocks float.triangle settriangle set







Small Diagonal Set Triangle-Ruler
for 3-inch to 9-inch finished blocks
Order this ruler

Product No. 8967


Large Diagonal Set Triangle-Ruler
6-inch to 16-inch finished blocks
Order this ruler

Product No. 8968


Our rulers are marked in 1/2-inch increments by the finished block size. Because corner and setting triangles are often odd measurements, it is easier to use the ruler to measure and cut the strip than to try to find the exact place on a rotary cutting ruler. If this is a new technique for you, download and refer to "The Best Way to Cut." Use the ruler the same way you would use a template and cut strips the required width.

Diagonal set quilts require two different right triangles. Here is an example of a diagonal-set quilt called "Sticks and Stones". (Instructions for this quilt and variations are in Marti's book Quilting for People Who Still Don't Have Time to Quilt.)

triangle set


To cut the corner triangles, align the finished block size with one edge of the strip and the top of the ruler with the other edge. Cut both sides of the triangle without moving the ruler.

triangle set

To cut the larger setting triangles, cut one side of the triangle, then flip the ruler and align the contact spots. The top of the ruler will fit into the already-cut angle and the finished block size line on the ruler will align with the edge of the strip. Cut the second side of the triangle.

triangle set

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NOTE: Prices are subject to change. Most of the instructional information and artwork shown is excerpted from my books. Like other published material, it is protected by copyright law, but you have my permission to print and download these materials for your own non-commercial use.

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