Machining Engineer's Scratch-Built MotoGP Engine Model Made From Paddock Observation

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Tamiya's September 2026 issue of Tamiya News features Hanto Kigawa, an executive at machining firm Araki F Machine in Kakogawa, Hyogo. An engineer who works with 3D CAD and machining centers by day, he scratch-built a Yamaha MotoGP engine model with a 3D printer. Lacking detailed reference materials, he observed the real machine in the paddock and modeled its shape from careful estimation.