像这种图是如何画出来的？非常好奇，既美观又随性？-灵析社区

[https://excalidraw.com/](https://link.segmentfault.com/?enc=LVATBx7mM1%2BhXQlegevLOA%3D%3D.E02Rmg2RAoP5IFrm4sUqL%2B63o1HNPCUbmL3H%2BCccWo4%3D)