using two different machines/quarter inch foot when piecing
#11
I started out quilting, years ago, on a Bernina Artista with my older elna as backup. That's when I discovered 1/4" on one isn't necessarily a 1/4" on all. Unfortunately . . .even using two different brands of quilting rulers can throw off a project as well. I think the problem could be the measurement system. In the US, we use imperial measurements while the rest of the world uses metrics. So when making feet, the imperial measurements can be off.
#12
Power Poster
Join Date: Jun 2011
Location: Southern California
Posts: 19,131
There is a difference just slightly between my two Berninas even tho they are both from the same series. The difference is the width of a thread so I always make sure I start and finish the blocks from a quilt top on the same machine. Doesn't matter with borders and binding.
#13
Has anyone had a problem with the quarter inch foot if you piece on two different brand of machines? I just saw a video that indicated your finished block sizes may be off if you piece on two different machines as each brand has a different quarter inch foot. I thought a quarter inch was a quarter inch? LOL. I am worried because I just bought a portable, smaller sewing machine to take with me to retreats, trips etc but figured I would end up doing some piecing on that machine and my regular machine for the same quilt. I don't want to run into problems with different sized blocks ( have enough trouble getting my block size correct!). Just wanted to know if anyone heard this or experienced this. If so, will be sure I stick to piecing on one machine.
#15
Super Member
Join Date: Oct 2010
Location: Saratoga, Arkansas
Posts: 1,909
When I start a new quilt or change machines, I run the 1/4" test: sew three 1.5" or 2.5" strips of the fabric together. Then measure to insure that the middle strip measures either 1" or 2" and that the block is 3.5" or 6.5" wide. This is necessary because the thickness of the fabric and the thread may vary depending on the materials you're using. It took me a few times of making unequal blocks and ripping out before I realized that the 1/4" mark is not always in the same place. So I think I've got this skill working for me, but I'm still not as accurate with my cutting as I need to be. I try so hard and think I've got it licked, then I'm off just a smidgen. Good luck with you progress.
#16
Super Member
Join Date: Sep 2010
Location: Myrtle Beach, SC
Posts: 8,095
yes. I've had a width difference on 2 different machines of the same brand. My inexpert analysis came up with two possible causes:
1) One or both of the 1/4" feet are not 1/4".
2) The needle adjusting settings are not identical on machines. Even with the little opening for the needle, I find I have room to move the needle to the left of center, right of center or center on one machine, another machine doesn't really give me a choice - it's a simple mechanical that i use on vacation, and my third machine is, theoretically, calibrated to work like the first one described, but it doesn't.
Make several sample blocks or seams from each of your machines and compare them using a 1/4" seam measure. Make a note of which needle settings are most compatible on each machine and tape them to the machine where you can easily see them and they won't interfere with sewing.
1) One or both of the 1/4" feet are not 1/4".
2) The needle adjusting settings are not identical on machines. Even with the little opening for the needle, I find I have room to move the needle to the left of center, right of center or center on one machine, another machine doesn't really give me a choice - it's a simple mechanical that i use on vacation, and my third machine is, theoretically, calibrated to work like the first one described, but it doesn't.
Make several sample blocks or seams from each of your machines and compare them using a 1/4" seam measure. Make a note of which needle settings are most compatible on each machine and tape them to the machine where you can easily see them and they won't interfere with sewing.
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