Measurements :

800 x 800 mm (31.5 x 31.5 inch)
800 x 1 200 mm (31.5 x 42 inch)
900 x 1 500 mm (35.5 x 59 inch)

Also can be made to measure.

CHOGHIG exists with a framework proposed in 4 finitions :
 Solid oak
 Solid wild cherry tree
 Wengé.
 Sycamore

Option :
LED lights around the framework, behind the obsidian to sublimate it.