カーボンマイクを作りたい

https://youtu.be/6Ec0G44Zqb0

https://youtu.be/NjR9pPnLMos

https://scrapbox.io/files/63f1c04da6cb300021e92938.png

https://scrapbox.io/files/63f1c023a6cb300021e92722.png

https://scrapbox.io/files/63f1c0320543c7001c6b1f99.png

https://scrapbox.io/files/63f1bfe8c7714b001b8ff502.png

hr.icon

https://gyazo.com/19f2f1422aab837f470eafcf9410ce02

hr.icon

https://scrapbox.io/files/63f1bfe8c7714b001b8ff502.png

https://scrapbox.io/files/63f1c09d2ad017001cd23796.png

hr.icon