Cel Shading Tool
This tool creates Cel Shading like effects in GMod 13.
You can also open the menu by typing "cel_menu" in the console or "!cst" in the chat.
Features:
- 3 modes: Sobel Post Processing, Garry's Mod 12 Halos, Garry's Mod 13 Halos;
- Customize: sizes, shaking, colors, admin checkboxes;
- Supports entities, duplicator, undo support, copy/clear support;
- Cel shade yourself;
- Ready for multiplayer.