近年来，国外主流CAD软件纷纷从“永久授权”转向“订阅制”，每年都要向用户收取不菲的费用。一个工程师的软件年费，从几千到上万不等，对于拥有数百名设计师的大型企业来说，这是一笔巨大的持续性开支。而国产软件，大多还提供“永久授权”的选项，即使提供订阅，价 ...

Jay Shah is a Lead Hardware Engineer at Caldo, specializing in robotics, automation and sustainable food technology.

SketchUp is a popular 3D design suite used by architects, interior designers, builders and hobbyists for quick concepting and ...