Lu Ban is credited in China with developing the first saw, paper
umbrella, kite, arch bridge and even a glider. He is considered the
first and greatest architect in China, a Leonardo da Vinci two thousand
years earlier.
Now Chinese academic Xu Quan Long claims that he designed the first tricycle, and has built this re-creation. More information Straight SketchUp
"Pride of Cucamonga". Spaceship from the book Galaxy Blues by Allen Steele. Designed by Allen Steele and first illustrated by Rob Caswell. Re-created as 3D model by me. SketchUp+Raylectron
Spaceship designed by Junji Obuko for the 2009 Game "Infinite Space" copyright by Junji Okubo. Modeled and rendered by me as a design exercise. SketchUp+Raylectron