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what angle is this

what angle is this

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Old 09-16-2014, 08:33 AM
  #11  
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With the tri-rec ruler, you need to make the height of all three pieces the same.

Originally Posted by Ngeorgia View Post
I saw this on pinterest and I am trying to figure out the size. I am using the 60 degree tri rec ruler but three don't equal half. Also I am trying the tell the strip size I tried 2 1/2 for the bottom two and 1 1/2 for the center but that doesn't allow to flip the ruler. Any ideas?
http://www.pinterest.com/pin/21462535700051487/
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Old 09-16-2014, 09:00 AM
  #12  
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This is the classic kaliedescope block only left as a hexi. I am working on a kaliedescope quilt. It was definitely worth the $$ to get this ruler for it. http://www.hancocks-paducah.com/NOTIONS/Rulers/CGRT60
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Old 09-16-2014, 09:12 AM
  #13  
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Originally Posted by PaperPrincess View Post
THE TRI REC RULER IS NOT A 60 DEGREE RULER!!! Sorry, didn't mean to shout! The picture in the link is made using a 60 degree. YOu need to get a different ruler, or, you can use the 60 degree mark on your 6X24" ruler. Looking at the size of the triangles in the quilt, however, I think it's going to be much easier to get the correct ruler. Creative Grids has a 12" version.
I want to shout, too, about this.

The Tri-Recs Ruler is made for the triangle in a square unit (Peaky and Spike - Doreen Speckmann).

The angles in a Tri-Rec Ruler Set are:
Small triangle: (approximately) 26.565, 90, and 63.435 degrees
Large triangle: (approximately) 63.435, 63.435, and 53.130 degrees

At one time I thought that the 30-60-90 or 60-60-60 degree rulers were interchangeable with the Tri-Rec rulers.

They are NOT.
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Old 09-16-2014, 09:44 AM
  #14  
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Originally Posted by bearisgray View Post
I want to shout, too, about this.

The Tri-Recs Ruler is made for the triangle in a square unit (Peaky and Spike - Doreen Speckmann).

The angles in a Tri-Rec Ruler Set are:
Small triangle: (approximately) 26.565, 90, and 63.435 degrees
Large triangle: (approximately) 63.435, 63.435, and 53.130 degrees

At one time I thought that the 30-60-90 or 60-60-60 degree rulers were interchangeable with the Tri-Rec rulers.

They are NOT.
Thanks for backing me up ;-) I taught geometry for a while and I wonder if any of those students who thought that subject was a waste of time are now quilters!
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Old 09-16-2014, 10:57 AM
  #15  
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Actually, I use the (reverse tangent function) - I don't remember the proper name for it - to get the angles.

I use basic trig and geometry a LOT! (Didn't get much further than the basics, but they sure are useful!)

I have learned a lot the backwards way - by doing it wrong and THEN figuring out how I SHOULD have done it!

Ah, well. Learn and live.

Some things just are not interchangeable.
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Old 09-17-2014, 05:31 AM
  #16  
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They are 60 degree angles. A triangle has 180 degrees, total angles. These 3 are even, so each has to be 60 degrees.
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Old 09-17-2014, 01:27 PM
  #17  
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http://www.quiltinaday.com/shoponline/rulers
E. Burns has the ruler for kaleidoscope blocks, she always has good easy patterns.
The block is sometimes called a spider web.
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Old 09-17-2014, 05:39 PM
  #18  
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That is very cute!
I used the wrong ruler once and made a mess out of some really cute fabric.......so I try to remember the old "measure twice & cut once" PLUS>>>>>>>>Look to see you are using the correct angle!
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Old 09-17-2014, 05:49 PM
  #19  
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Originally Posted by farmquilter View Post
http://www.quiltinaday.com/shoponline/rulers
E. Burns has the ruler for kaleidoscope blocks, she always has good easy patterns
The block is sometimes called a spider web.
I may be wrong here, but I thought the kaleidoscope block was made up of 45 degree triangles - thus making making an octagon w/HST at four corners to make a square block. I did make one a long time ago, so I may be getting triangles confused here......or maybe there are now variation of that block....
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Old 09-17-2014, 07:01 PM
  #20  
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I did a few of these using the large wedge "ruler" from Missouri Star. I can't find 1 right now so am not sure if I ended up with 6 or 8 wedges but it turned out fine.
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