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Bryson DeChambeau’s 3D-Printed 5-Iron Clears USGA as He Opens Masters With 76

The USGA confirmed the homemade iron conforms to the Rules of Golf.

An image collage containing 2 images, Image 1 shows Bryson DeChambeau looking frustrated during a golf tournament, with his scorecard showing a +4 total, Image 2 shows Bryson DeChambeau during the first round of the Masters
Bryson Dechambeau
Image
Bryson DeChambeau of the United States plays a stroke from the No. 5 tee during a practice round prior to the Masters at Augusta National Golf Club, in Augusta, Ga., on April 7, 2026.

Overview

  • DeChambeau, who shot a 4-over 76 on Thursday, used the self-designed 5-iron once for a 258-yard tee shot on No. 7.
  • The USGA said the club was evaluated to conform, and officials noted listing in its public database is optional.
  • After the round, he said printing takes about eight hours and machining another three to four, then he ended questions about the club.
  • His round unraveled with a triple bogey on No. 11, and he said his irons were not under control.
  • Known for single-length and 3D-printed Avoda irons, including a 17-degree 5-iron, he now faces a fight to make the cut at Augusta.