The cotton/lycra fabric must be less stretchy than I thought, because when I sewed up undies #4 (using Acacia) in this it turned out to be a tad tight. On the other hand, the crop top is a little loose around the ribs and I think I over-shortened the shoulder straps. With the crop top though, it's because I'm still working out getting the fit just right and over-corrected.
Then I bought some more cotton/lycra (this time in an angel print), and sewed up undies #5.
Nope, a bit too loose. I suspect my measuring of the waist and pantleg bindings has been a wee bit inconsistent...
Also, I noticed a lot more rippling in undies #5. So even though the fabric should have good stretch and recovery something is letting me down. After reading on the 'Net and some of my sewing magazines, I've decided its because I shouldn't be stretching the pieces as I sew them.
I remembered that the rippling only started after I top-stitched the binding, so perhaps for the time being I will omit that step.
I did think maybe I need an overlocker, but first I'll try (in this order):
- sewing a lot more slowly, and moving the fabric along manually if it seems to be getting stuck under the foot
- using some of the stretch stitches (not just zig zag), now that I've gone back to the manual and read about them
- getting a stretch needle and twin needle
- a walking foot - this will take a while, as I have to find one that is compatible with a Bernina 1020. This machine is older than two of my workmates!