From Lego Tinkerer to CNC Pro - Inside Cobalt CNC

Explore the entrepreneurial journey from hobbyist tinkerer to professional CNC machining business owner in this 34-minute Shop Talk episode featuring Adrian Cooper, founder of Cobalt CNC in Newcastle, Australia. Discover how childhood curiosity with Lego and watches evolved into a thriving CNC operation serving mining and medical industries while pursuing passion projects like precision aluminum sunglasses and custom automotive work. Learn about the transition from 3D printing and watchmaking hobbies to acquiring a Pocket CNC and eventually full production mills, building a machining business during COVID lockdowns, and handling high-pressure breakdown work for mining operations and hospital laundry facilities. Gain insights into costly business mistakes including a $20,000 machining error and the valuable lessons learned, plus explore the design and manufacturing process behind CNC-machined sunglasses with spring hinges and jewelry-level finishes. Take a comprehensive shop tour featuring CNC mills "Glenn" and "Enduro," lathe "Sting," band saw, 3D printers, and various workholding solutions while understanding the balance between job-shop work and long-term product development goals alongside family life. Whether you're a machinist, designer, engineer, or maker, access real-world insights about tolerances, tooling, problem-solving under pressure, and transforming passion projects into viable commercial products.