Blog Post Top 51 Websites for 3D Modeling Contests, 3D Design Challenges & 3D CAD Competitions 
heavyweight backing: NASA, XPRIZE, or Fortune 500 companies, and frequently require real-world prototyping. You might be asked to model a Mars habitat structure, a water filtration device, or surgical equipment
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Blog Post Top 101 Black Inventors & African American's Best Invention Ideas that Changed The World
James Parsons held several patents related to metal fabrication methods. In 1929, he was awarded a patent for an iron alloy, followed by a fabrication method for a silicon-iron compound in 1931. In 1934
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