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大家在使用Openrocket绘制火箭的基本模型图时，常常会不断调整尾翼的形状，计算出适合自己火箭稳定性的尾翼，但这种方法十分麻烦，并且Openrocket不支持直接导出pxf格式文件用于3D打印模型...

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