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rotary cutting

Old 11-21-2006, 04:15 AM
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When rotary cutting,my peices turn out smaller than I intended them to be. Just a few threads most of the time, sometimes almost 1/8 th of inch. What am I doing wrong?
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Old 11-21-2006, 06:45 AM
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:)
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Old 11-21-2006, 06:51 AM
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...sorry, I goofed with my last message to you! I'm new at this, much better at quilting, I promise! I think we've all had problems with rotary cutting now and then. When cutting the longer strips of fabric, my guide would sometimes slip by the end of the cut and those tiny bits do add up. Have you tried walking your fingers (carefully!) along the guide while you cut? Having an absolutely flat, solid cutting table and a new blade can also make a difference. Hope this helps!
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Old 11-21-2006, 08:13 AM
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I had the same problem only probably double cuz I use so much pressure all the time. So I bought an item called InvisiGRIP at JoAnn Fabrics. It is a clear film, like a saran wrap, only sturdier, that clings to the underside of the rulers and that seems to help a lot. You get enough to do several rulers.

Donna

Oh, and the new/sharp blade makes a really, really big difference.
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Old 11-23-2006, 07:00 AM
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I hope I can make what I am about to say so it is understandable.
When I am after accuracy, I will use 2 rulers.
Line up the one that I am going to use my rotary cutter against and the second one backed up to the first one to make sure it is where I want it to be. A big square ruler works good for the second ruler.
This works especially good when cutting widths of fabric that you later going to sub-cut.
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Old 11-24-2006, 08:28 PM
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I had this problem when I first started using a rotary cutter, I later learned that the line of the ruler at the left edge of the fabric should be on top of the fabric, not next to it. :oops:
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Old 11-25-2006, 06:55 AM
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I am not claiming to know anything but found when I started, the hardest thing for me was using the ruler and rotary cutter to get my strips, I had the usual V and still do sometimes in the middle of the fabric, or my strips would be off thus my blocks wouldn't be right. Still haven't mastered the accuracy of my blocks but I am getting closer. And what I found to be true and helps the most, first of all is practice. Second is laying it on top not beside. You can always cut down if its just a shade to large but can never add to. Hope this helps you but mostly it will come in time. Practice practice. Oh and that strip or even sand paper glued to your ruler will also help with the slippage. Good luck

Rita
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Old 11-25-2006, 07:14 AM
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About rotary cutting, you might also check to see that the line on your ruler actually covers the raw edge of your fabric. Some times we just get the line close to the raw edge but not actually on it. Try it and see.
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Old 11-25-2006, 10:04 PM
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that is what I also learned to make sure I do, have the line of the ruler on top of the fabric. You can consider that your thread line. It doesn't seem like much, but you have that tiny bit repeatedly, and your squares will be smaller than intended.
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Old 11-26-2006, 08:41 AM
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I hope I am not going to get into too much hot water with you folks but I sorta have a question. If you are "making" a quilt, say twin size, and you use the same mark to cut all, then you use a different ruler for squaring up and you find all your squares are 1/8 inch smaller than they should be, does it really matter? Unless your quilt has to be a perfect size, for whatever reason, it seems to me that as long as it is close to twin, or whatever size you are making, that should be okay. Is my line of thinking off the chart?

I am relatively new to quilting so I am just asking, not stating.

Donna
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