ガラス表札の素材作製に奮闘中! https://www.tyoukoku.com/blog/blog/2007/04/28/%e3%82%ac%e3%83%a9%e3%82%b9%e8%a1%a8%e6%9c%ad%e3%81%ae%e7%b4%a0%e6%9d%90%e4%bd%9c%e8%a3%bd%e3%81%ab%e5%a5%ae%e9%97%98%e4%b8%ad%ef%bc%81/