Borglum's Sculpting Technique
After his workers had blasted off the surface rock of the mountain, Gutzon Borglum spent days and nights watching how the light and shadow landed on the mountain. This process ultimately made him decide to deviate from the original plan and shift 20 degrees. Borglum built a studio size model of Mount Rushmore and proceeded to enlarge the measurements on a scale to sculpt the mountain itself.
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