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# SettingTriangle Question

01-18-2010, 06:08 AM
#1
Senior Member

Join Date: Jul 2009
Location: Minnesota
Posts: 688

Ok, so I am working on putting together a table topper and my blocks are going to be on point, IF I can figure out how to do this! When doing setting triangles on the end of the diagonal rows, do they need to be larger than just the block size cut on the diagonal to make a triangle?

My blocks are 5 1/2 inches so they will finish 5". I cut squares 5 1/2" and cut them to form triangles. The problem is that they don't seem like they will match up withteh blocks on both sides of them. Does this make sense? They are short on one of the three sides no matter what I do. I have no idea how big these need to be to make this work! :evil: :?
01-18-2010, 06:11 AM
#2
Super Member

Join Date: Aug 2009
Location: The middle of an IL cornfield
Posts: 7,014

http://www.karencombs.com/setting_triang.htm

I've never tried setting triangles because I'm not nearly that skilled yet. This link was posted the other day with sizes needed. It might help you a bit.
01-18-2010, 09:44 AM
#3
Power Poster

Join Date: Mar 2009
Location: Lake Elsinore, CA
Posts: 14,202

For setting triangles, you want the outside edge to be on the straight of grain. Therefore you cut a square that is larger than your block size and then slice it on both diagonals. For the corner triangles, you want to the two outside edges to be on the grain, so you cut a different size square and cut it only once on the diagonal. The math involved, as well as some instructions, are on quiltville:
http://quiltville.com/onpointmath.shtml
01-18-2010, 09:49 AM
#4
Super Member

Join Date: Sep 2009
Location: North of Boston, MA, USA
Posts: 3,524

Originally Posted by Lisa_wanna_b_quilter
http://www.karencombs.com/setting_triang.htm

I've never tried setting triangles because I'm not nearly that skilled yet. This link was posted the other day with sizes needed. It might help you a bit.
Try it! the first I taught my nieces was set on point with setting triangles. I made my first one, my own pattern, a number of years ago, looked up setting triangles in a resource book.
01-18-2010, 11:47 AM
#5
Senior Member

Join Date: Jul 2009
Location: Minnesota
Posts: 688

Good thing I asked, cuz it was not turning out right! I probably would have had an edge that was stretched from here to kingdom come!
01-18-2010, 01:29 PM
#6
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Join Date: Jul 2007
Location: Out searching for some sunshine :-)
Posts: 58,857

Great info here, and thank you for the links :D:D:D
01-18-2010, 03:03 PM
#7
Super Member

Join Date: Dec 2009
Location: Maine
Posts: 1,189

go to www.victorianaquiltdesigns.com and in there she has charts....... one is for figuring out sizes of setting triangles.
Its a great website.
01-19-2010, 03:11 PM
#8
Super Member

Join Date: Aug 2008
Location: Home town: Rehoboth, MA Now living in OK
Posts: 7,774

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