I once painted paper with watercolours and made it translucent with oil (without taking pictures), but I’d never have thought of making watercolour votives from.
They are high on my list now :)
Links:
Watercolour Votives (Solstice Lanterns {Tutorial})
via: Gorgeous “solstice lanterns”: a tutorial describes watercolor paintings made translucent with oil and fastened around mason jars