the pattern can be found on my insta highlights: @mai.ardour
the bra extenders i used: https://www.amazon.co.uk/gp/product/B0797JLRK3/ref=ppx_yo_dt_b_asin_title_o06_s00?ie=UTF8&psc=1
here’s a good video on understitching if you need it: https://www.youtube.com/watch?v=gnRDeKqKgto