On several occasions, I've had non-musician audience members ask me if they could take photos of my Alembics.
They may not have understood or appreciated their sonic properties, but the visual appeal was undeniable - especially with the LED's lit up.
"THAT is so amazing - I've never seen anything like it. I just had to take a picture of it, because my son, friend, husband, etc. wouldn't believe how beautiful it is - it's a work of art!"
What's really cool is when a musician (or someone who really appreciates music) compliments their sonic properties as well.
For obvious reasons, this is the instrument that has received the most attention: