Adams, Sara

Paper: 30 squares of foil-backed paper with a side length of 5.4cm, green/gold
Model: diameter of about 6.5cm

If you're interested in buying this kind of paper:
I bought it at the CDO convention ship, but I think the following pages list multiple color combinations of the same paper, just in other sizes:
http://www.origami-p... (7.5cm)
http://www.origami-p... (12cm)
http://www.origami-p... (15cm)

For my sister's 18th birthday I made this card, which has acetate "windows" through which you can read the sentiment even when the card is closed.

Paper: 6 sheets, 2.5cm by 10cm rectangles (1in by 4in) of foil-backed crumpled paper, silver/green (buy e.g. at Kim's Crane, Viereck Verlag or Miyabi)
Model: diameter of 10cm (4in)