Not in the dictionary sense of lampwork, but literally work (painting, art) on lamps.
These little frosted glass rectangles come from ikea, and the price point lends itself to creative play, because it's not too precious of a surface.
It's actually surprisingly easy to paint acrylic on these, once you learn to use a light touch, because the layers underneath can lift up quite easily from the ultra-smooth glass substrate.
These paintings are of Baxter, a Golden who lives at the edge of the village. When I run by his house, he barks ferociously, but he is a Golden through and through, in other words a big friendly mush.