Shape transition and make a layout for the pattern based on a motif from Middle East area or known as Timur Tengah in Bahasa Indonesia. There is no shape change, only the layout that changes on each layer.
Basic color applied as based paper
Try to simulate position on each layer
Starting to apply color on each layer
Green color gradation on each layer
Green combine with Blue
Final result
Cupo-Timteng with white wooden frame
Cupo-Timteng with perspective view
arisdn 