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-   -   How to Cut Isosceles Triangle (https://www.quiltingboard.com/main-f1/how-cut-isosceles-triangle-t306890.html)

Moira in N.E. England 09-15-2019 04:02 AM

How to Cut Isosceles Triangle
 
I have seen a photo of a pretty Christmas cushion made from Isosceles triangles. (2 long sides, 1 short)

Is there a trick to cutting these or will I need to buy a template?

KalamaQuilts 09-15-2019 04:20 AM

For a pillow I'd probably make a template, for a quilt I use the Tri Recs Ruler to make life easy.
here is a demo o the ruler, https://www.youtube.com/watch?v=HQCdh-ZkRAM
and a demo of fitting them together so they come out right
https://www.youtube.com/watch?v=aTPE1EFZHpc

and if this isn't an isosceles, sorry :)

Moira in N.E. England 09-15-2019 04:55 AM


Originally Posted by KalamaQuilts (Post 8301721)
For a pillow I'd probably make a template, for a quilt I use the Tri Recs Ruler to make life easy.
here is a demo o the ruler, https://www.youtube.com/watch?v=HQCdh-ZkRAM
and a demo of fitting them together so they come out right
https://www.youtube.com/watch?v=aTPE1EFZHpc

and if this isn't an isosceles, sorry :)


Yes, that’s the triangle I’m after!
Thanks for the YouTube links - they’re really helpful.

Moira in N.E. England 09-15-2019 04:57 AM

Just worked out how to copy link to cushion photo from Pinterest -

https://pin.it/qb3eg2l2t5i6ox

KalamaQuilts 09-15-2019 06:22 AM

I just remembered I've also foundation paper pieced
https://www.generations-quilt-patter...ilt-block.html
and also if you like the technique you could english paper piece them :) An easy to get along with technique!

looking at your pattern the block technique shown on the first two links wouldn't work because you are not looking for a block but a series of triangles.

Moira in N.E. England 09-15-2019 06:59 AM


Originally Posted by KalamaQuilts (Post 8301761)
I just remembered I've also foundation paper pieced
https://www.generations-quilt-patter...ilt-block.html
and also if you like the technique you could english paper piece them :) An easy to get along with technique!

looking at your pattern the block technique shown on the first two links wouldn't work because you are not looking for a block but a series of triangles.


Thanks for your addition comments.

I have done a little EPP but don’t really fancy that for this project.

I think I might just try getting a piece of paper the size of the cushion top and draw out the design.
Even if this just gets me the size of the angles it would be a starting point.

Iceblossom 09-15-2019 07:08 AM

One of my bookmarked sites is this one, maybe one of their graphs will help you out
https://www.incompetech.com/graphpaper/

Here's a sublinks just on one triangle option:
https://www.incompetech.com/graphpaper/vartriangle/

Moira in N.E. England 09-15-2019 07:30 AM


Originally Posted by Iceblossom (Post 8301772)
One of my bookmarked sites is this one, maybe one of their graphs will help you out
https://www.incompetech.com/graphpaper/

Here's a sublinks just on one triangle option:
https://www.incompetech.com/graphpaper/vartriangle/


Thanks Iceblossom - your links are very helpful.
What a useful tool!

Moira in N.E. England 09-15-2019 09:28 AM

When I’ve looked at the cushion again I realised I’ve been over-thinking this.

If I make the cushion 16” the triangles block could be 15”. (Plus an additional narrow border)

There are 5 triangles across the block. Finished width would be 3” each.

There are 4 rows so the triangles will be 3.75” high.

I should be able to draw the triangles. :D

quiltingshorttimer 09-15-2019 07:52 PM

Tri Rec's ruler strongly suggested.


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