OFweek 3D Printing Network. For 68-year-old FAA airframe design and maintenance specialist Joel Leathers, 3D printing has become a real passion. In fact, Leathers owns eight desktop 3D printers, including one FlashForge, one Formlabs Form1+, three iBox SLA printers, and three Delta-style machines. His collection is a testament to his deep interest in the technology.
“When people ask me what I do,†Leathers said, “I tell them that most of my time isn’t spent working for the FAA. Instead, I spend it drawing engineering blueprints, converting designs into STL files using a vernier caliper, and uploading them online.â€
Recently, Leathers came across an online post where someone was looking for a 3D-printed solar system model to help teach kids about space. The idea intrigued him. A solar system model not only demonstrates the movement of celestial bodies but also serves as a mechanical representation of planetary motion. It allows for a visual understanding of how different gear ratios affect the system's function.
Inspired by the request, Leathers fired up his usual design software—SolidWorks and MOI—and set out to create a working model of the solar system, including the Sun, Earth, Moon, and Venus, along with their orbits. After completing all the intricate designs, he spent around four hours printing out the 10 different parts needed for the project.
The model required more than just 3D-printed components. To make it fully functional, Leathers added a motor to rotate the gears, allowing the entire solar system to move automatically. This combination of 3D printing and mechanical engineering turned a simple idea into a dynamic educational tool. His project showcases not only the power of 3D printing but also the creativity and problem-solving skills that come with it.
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