Has anyone had success converting patterns for non-stretch fabric to stretch fabric? The pattern I'm considering is for a 3+ piece-cup bra (the + being a side shaper panel). Just the cups need converting, not the frame. I kind of wondered whether it might be doable with Photoshop using the "Image Size" tool. Basically
1) Scan each pattern piece (minus seam allowances) with the grain line vertical and crop until each side of the window touches the pattern. Read the length and width measurements. 2) Determine the fabric's percentage of stretch lengthwise and crosswise. Compute the desired finished measurements and input them. 3) Photoshop will redraw the image with the proper proportions. Add SA's back on.Does this sound right?
One big question is whether the fabric will stretch to its maximum when worn normally. (Do people who work with stretch know of any rule of thumb?) The purpose of this is so that the garment provides more "give." At a guess I think I should assume about 85% of maximum. Does anyone recommend higher or lower? Does anyone think I should only stick to 4-way stretch fabrics, the kind that are guaranteed to have the identical stretch even in diagonal directions? I have no clue about that...
Any thoughts appreciated!! Thanks,
Pora