![Etching science: undercutting or lack thereof - Jewelry Discussion - Ganoksin Orchid Jewelry Forum Community for Jewelers and Metalsmiths Etching science: undercutting or lack thereof - Jewelry Discussion - Ganoksin Orchid Jewelry Forum Community for Jewelers and Metalsmiths](https://orchid.ganoksin.com/uploads/db0786/original/2X/e/ebe83d773b37516df21e2395a141481d44579b53.jpeg)
Etching science: undercutting or lack thereof - Jewelry Discussion - Ganoksin Orchid Jewelry Forum Community for Jewelers and Metalsmiths
![Want to metal etch, but all modern Battery jump starters won't work. What to use? - Tools and Tool Making - Bladesmith's Forum Board Want to metal etch, but all modern Battery jump starters won't work. What to use? - Tools and Tool Making - Bladesmith's Forum Board](https://bladesmithsforum.com/uploads/monthly_2019_09/IMG_3484.jpg.566719d28901138c5e636699e4d017c8.jpg)
Want to metal etch, but all modern Battery jump starters won't work. What to use? - Tools and Tool Making - Bladesmith's Forum Board
![First etch with battery charger, handcut and hand drew , hope it will still be good after heat treatment : r/Bladesmith First etch with battery charger, handcut and hand drew , hope it will still be good after heat treatment : r/Bladesmith](https://i.redd.it/rsewoogccun91.jpg)