Can you fit a bra pattern without making an entire bra? This post has tips for making a quick "bra muslin" to test your fit.
My Bra Making Adventures — Christine Haynes
Exquisite Bra Sew Along Part 1: Pattern Pieces & Cutting
Bra Making – Page 2 – Sew Busty Community
Bra-making Sew Along: Band & Cup Construction • Cloth Habit
Gertie's New Blog for Better Sewing: The Muslin Backlash
Watson Bra Sew-A-Long
9 useful resources for beginner bra makers – Nellie Joans
Lingerie 101: Series 2: The Watson Bra
9 useful resources for beginner bra makers – Nellie Joans
Sewing Bras - Watson Bra Pattern by Cloth Habit — LilypaDesigns
9 useful resources for beginner bra makers – Nellie Joans