Apologies: Less than 20 inches long*

This may seem boring at first glance but what makes it striking is the diameter - 34”. With your lower ceilings this won’t make the ceiling feel lower - it will wash the ceiling surface which will make the ceiling appear taller:

https://www.cb2.com/boum-pleated-linen-drum-flush-mount-light-34/s687351

https://www.wayfair.com/lighting/pdp/august-grove-3-light-drum-chandelier-in-iron-frame-and-linen-shade-w118121732.html