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Originally Posted by Quilt30
(Post 7820610)
Yes, take finished size of block, add 7/8" cut diagonal. This should fit the side triangle areas, and add 1 3/4" and cut diagonal twice for corner. I would cut these out of scrap fabric to make sure of fit. I usually add a bit to these sizes and trim down to fit. And yes you will have bias but if you handle the edges carefully and control the stretch, the quilt will ok.
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Bias can be a problem, but, more important is that you don't allow for a seam allowance when you cut a block in half.
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Originally Posted by Krisb
(Post 7820238)
You would be missing the seam allowance, and the outside of the quilt would be on the bias, which may result in edges that won't stay square.
Bonnie Hunter has a cool chart http://quiltville.blogspot.com/2005/...nt-quilts.html |
Originally Posted by Quilt30
(Post 7820616)
Or, make your own pattern. Draw finished size of block, cut diagonal, add seam allowance to the 1/2 or triangle. And cut individual side triangles using the pattern.
If you are unsure of whether not you have enough fabric to accomplish what you want, you can draw the triangles on the back of the fabric and count them to see if you have enough. If using the cut triangles from square method - I always add a bit and trim later. My units ALWAYS end up skimpy when I cut the "exact" square size. |
Originally Posted by Krisb
(Post 7820238)
You would be missing the seam allowance, and the outside of the quilt would be on the bias, which may result in edges that won't stay square. Bonnie Hunter has a cool chart
http://quiltville.blogspot.com/2005/...nt-quilts.html Quilt 30 and feline fanatic have some good ideas. I would use both of them. If your fabric is the wrong shape, make a pattern as suggested. Then if you really need to cut some of those side triangles with the bias on the long side, do the starch thing and then stay stitch the bias side. I would do the stay-stitching right away, not wait until it is sewn onto the quilt. I doesn't hurt to add a little extra on these. Ask me how I know. When I trim those edges, I lay my ruler from point to point and cut the side triangle 1/4 inch from those points to leave just that much seam allowance. |
Or, you can cut your regular block (square) on the bias then cut that in half diagonally. That puts the bias on the sewn edges instead of the outside edges. Your original square block does have to be larger. I just measure one side of the triangle you need, plus 1/2 inch for seam alowances and make the bias square that size. Then cut that in half. you could try it first with scraps.
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heavy starching stops the stretching, but I would add a thin piece of hem tape or stay tape to that bias edge at the start of sewing to hold the bias in shape. If your triangle is too small, get creative and add some fabric, and make it look like part of the original quilt plan.
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I think I'll just buy some more fabric and do the square cut method. Sounds a lot less dangerous than trying to fudge it.
This extra fabric can go back in my stash. Watson |
I bought the large Set In Triangle ruler from Quilt in a Day. So easy to use. Perfect for squaring corners of quilt tops too. https://www.quiltinaday.com/shoponline/ruler/30855
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Originally Posted by Jane Quilter
(Post 7821529)
heavy starching stops the stretching, but I would add a thin piece of hem tape or stay tape to that bias edge at the start of sewing to hold the bias in shape.
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