Living Wallpaper's Paper Lampshade

Fuse interfacing to one side of cardboard and cut the base structure from this. Cut an extra leaf shape from plain paper (no interfacing). To assemble the paper leaf lampshade you'll need to fold the base structure and use an iron to fuse (glue) the tabs to the leaf so that it maintains its shape. See photos.
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Photos of the assembled lampshade

Photos of illuminated lampshade