Zhang Yuexin

C# programmer. Know a bit of hardware knowledge. 3D model design novice.

张高兴 - 土味儿编程

高兴不高兴

Suanpan

Suanpan is a traditional calculating tool in China, from the Northern Song Dynasty. And suanpan is the intangible cultural heritage too.
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设计工具

OpenSCAD

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