I trawled the web for an hour today and couldn’t find a decent iPad case with a stylus holder. The cases I did find were too bulky, didn’t include a stand, or had some other glaring defect.
A work friend jokingly suggested that I Velcro or tape a Baggie to the outside of my stm skinny case, and carry my stylus in it. I laughed at her suggestion at the time, but I’m not laughing anymore.
My iPad diagramming series: