Cutler Earnest sells 3D-printed keychains to RAGBRAI riders in Libertyville on July 26, 2024. He said the process can take anywhere from 15 minutes to a few hours depending on the size of the figures.

LIBERTYVILLE — Cutler Earnest turned his 3D printing skills into an entrepreneurial venture along Friday's RAGBRAI route. Earnest, 9, of Hedrick, parked his stand outside his grandmother's ...