Sand Spheres

The spheres pictured were printed with 60% in-fill at their 50-mm/2-inch size - enough weight to push into the sand as you roll the sphere across. The layer height wasn't noticeable on the sand - it is not high resolution. My prototypes having slight support scarring on the bottom wasn't an issue. The fine sand was $5 at local craft stores, enough for a 10-inch diameter circle of sand, about 3/4-inch deep.

I considered making silicone molds and pouring concrete into the molds, but in the end that was a lot of work for a one-off sand art experiment.