NASA 開源了這幾十年的飛行器的3D結構，並有3D打印的模型
https://github.com/nasa/NASA-3D-Resources
比如[好奇號火星車](https://github.com/nasa/NASA-3D-Resources/tree/master/3D%20Printing/Curiosity%20Rover/Curiosity%20Rover%203D%20Printed%20Model/Detailed%20Curiosity%20Model%20(Large)) ，有空打印玩玩
QOTO: Question Others to Teach Ourselves An inclusive, Academic Freedom, instance All cultures welcome. Hate speech and harassment strictly forbidden.
比如[好奇號火星車](https://github.com/nasa/NASA-3D-Resources/tree/master/3D%20Printing/Curiosity%20Rover/Curiosity%20Rover%203D%20Printed%20Model/Detailed%20Curiosity%20Model%20(Large)) ，有空打印玩玩