April 2025

Level 2: Jewelry of the gods Utilizing the advanced stone machining technology of the ancients.   The Ultra Arky utilizes the ancient, advanced stone carving technology to achieve extraordinary rock art and ultra cool jewelry designs.   Below is an example of high-speed aggregate removal inside an alabaster vessel using free abrasives and ultrasonic machining […]

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Level 2: Nature’s Knight and the gift of pentagonal stars. Ancient ultrasonic star shape drill holes found in California. In order to graduate from Level 1 and enter level 2 a person must duplicate one machining method used by ancient builders.   The easiest of the ancient machining techniques to teach and learn is ultrasonic

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