Hi, I am a mechanical engineer who has been engaged in mechanical design for more than 20 years and has accumulated rich design experience. Also, I love programming code. I use autocad's lisp and vba, solidwork API, to compile code to improve my work efficiency. Also, I created the DXF file with PHP code. 1. an example of a SOLIDWORKS parametric design I made. [login to view URL] 2.A PolyfaceMesh with colorful colors，after the exlode, the color disappears.I used AUTILISP to implement the exlode and retain the color. [login to view URL] For more design examples, please visit my personal homepage: Please use the Chrome browser: [login to view URL]