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Copernicus crater in plywood Planetary Society member Evan Hilgemann made this 3D topographic relief model of the Copernicus lunar crater by laser-cutting layers of plywood, gluing them on top of each other, and staining them. “Copernicus is perhaps my favorite lunar feature,” says Evan. “It was one of the first items I identified on the Moon when I was a kid just learning how to use a telescope, and still evokes the feeling of seeing an old friend whenever I view it today.” Evan Hilgemann