I recently finished designing this 3d papercut ‘Colourwing Butterfly’ as an SVG cutting file for electronic plotters such as the Silhouette Cameo
Also available in my shop here
http://www.joanneseale.com/colourwing-butterfly.html

The wings feature cut out coloured vellum paper and the the butterfly sits on a triangular stand. I was inspired by glass in stained glass windows and also the utterly gorgeous Glasswing Butterfly seen here
The SVG files can be found here http://www.etsy.com/uk/shop/JoanneSeale
and here http://www.joanneseale.com/
Yes, it is a coincidence. Your use of vellum for the wings is a great idea. I like it.