The sorts of designs I want to do are much bigger than most of the machines embroidery sizes I've seen, so I doubt I'll be buying anything soon! All the more reason to try to get a good result freehand.
Yes the design is chalk - I used carbon transfer paper and traced it on there. The bobbin thread isn't white, it's black, and it can be hard for me to tell if it's bobbin thread I'm seeing or a gap, although I'm taking a lot of care to rotate on the outer side of curves. Thank you, I'll try replacing that thread with the top thread.
Here's a photo of the back:
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I haven't hooped it for a few reasons - I don't have an embroidery foot, so I can't get the hoop under the foot (I'll buy one if you think that would help? I'm using a see-through open toed foot at the moment), I find hooping quite painful (nerve pain problems in my hands), and I'm worried about messing with the fabric grain. I need it to stay straight, as it's for a single layer corset, and if the grain isn't straight, then the pattern will be off and I've heard that could cause problems with the fit. I'm willing to try though as a last resort. It will be quite heavily boned and pulled taught, so I'm hoping that will offset any ripples in the fabric, but I don't know yet.
I've tried reducing the top tension from 3 to 1.5 but it doesn't seem to make any difference to top or bottom sides of the stitching which I thought was weird. I was wondering if the auto-tension function was over-riding it, I should check the manual.
Even though it's for clothing, I don't think people will really see as many problems as I see. Especially as in all likelihood it'll just be occasional evening-wear. But I know it's there, and that's irking me a bit. I'm also planning to submit it as next years foundations revealed competition entry, so that's driving me to push for a bit better too.
I'll let you know how replacing the bobbin thread goes, and I'll have another look at the tension. Thank you for your suggestions :)