There are red and pink edges on my mesh.
What do these colored edges mean? How can I use them?
Blender Stack Exchange is a question and answer site for people who use Blender to create 3D graphics, animations, or games. It only takes a minute to sign up.
Sign up to join this communityThose edges have been marked.
There are actually five types of markings you can apply to edges:
You can mark edges yourself from Edit Mode using the Edge menu (Ctrl+E).
Colors in Blender 2.79: