Selecting edges on the boundaries of a mesh in Blender

It is often necessary to select all the boundary edges of a mesh - edges that are on the outer perimeter of the mesh, or located around areas of the mesh that are not filled by polygons. This operation can be performed by the user from the 3D Viewport menu: Select - Select Loops - Select Boundary Loop.

Read more: https://b3d.interplanety.org/en/selecting-edges-on-the-boundaries-of-a-mesh-in-blender/

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