Ritland, M. (2014). 3D printing with SketchUp: Real-world case studies to help you design models in SketchUp for 3D printing on anything ranging from the smallest desktop machines to the largest industrial 3D printers. Packt Publishing.
Tohutoru Kātū Chicago (17th ed.)Ritland, Marcus. 3D Printing with SketchUp: Real-world Case Studies to Help You Design Models in SketchUp for 3D Printing on Anything Ranging from the Smallest Desktop Machines to the Largest Industrial 3D Printers. Birmingham, [England]: Packt Publishing, 2014.
Tohutoro MLA (9th ed.)Ritland, Marcus. 3D Printing with SketchUp: Real-world Case Studies to Help You Design Models in SketchUp for 3D Printing on Anything Ranging from the Smallest Desktop Machines to the Largest Industrial 3D Printers. Packt Publishing, 2014.