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A skeletal mesh exposing also the mesh lines.

Skeletal Mesh / Exoskeleton / Skeleton Fattener

Apps Dendro, Cocoon, Skeleton fattener
References Skeletal mesh
Smoother geometry | Dendro, exoskeleton or?
Inflated exoskeleton (How to?)
Creating smooth meshes from pipes, like TSpipe had?
Marching cubes

It is a way to add thickness to points, curves and surfaces (or meshes). The plugins work by wrapping multiple geometries, resulting in a clean mesh optimized for digital manufacturing. It uses the Marching Cubes algorithm, the same one used in Metaball.