Here are some phots from the Davone room which had some speakers with interesting shapes. Shown in the photos below are the Davone RITHM Speakers.
The speakers had a beautiful Danish furniture like finish.
Their website has some details of how the stiff bowed panels and speaker box are put together. http://www.davoneaudio.com/rithm.html Excellent craftsmanship.
The speakers use a single coaxial driver, 8" woofer with 1" dome tweeter.
Specs are as follows:
50 - 20,000 Hz
85dB / 2.83V / m
Cost: 3000 Euros (Made in Denmark)