![Cimg8405_2](/uploads/item/file/29/CIMG8405_2.jpg)
3 spine concertina
©Popupology 2011
A wave like construction with a repeating undulating surface relief. Part of the 'Paperesonance' series.
©Popupology 2011
A wave like construction with a repeating undulating surface relief. Part of the 'Paperesonance' series.