Inspiration for Expo build

looking for inspiration and ideas on how to build the object i would like my film projected on.
came across 'Shine'

http://nickyzwaan.com/shine.html

another installation by the same artist

'Finite and Infinite Games'

different artist - Kit Webster

http://kitwebster.com/work/

Shape for Expo

Mixing a Hexagram with a Unicursal Hexagram

Presentation 4

Honours Presentation 4