Here's my next iteration on "Draw and Scribble Notes in GNU Emacs" for
drawing simple schematics. Here are the new features:
- Copy shapes
- Move shapes
- Group / ungroup shapes
- Toggle grid
- Horizontal and vertical guides for movement
- Snap to grid

*Details*:
https://lifeofpenguin.blogspot.com/2021/08/scribble-notes-in-gnu-emacs.html
*Video*: https://youtu.be/cWylaLAodng