Blender 2.8 BSurface with bezier curves - Blender Stack Exchange
Retopology with BSurfaces and Annotation — Blender Secrets
Blender] Manual retopology using BSurfaces | STYLY
The BSurfaces add-on is included with Blender and allows us to easily sketch retopology guides with the annotate tool, which is then turned into actual... | By Blender Secrets | Facebook
Bsurfaces GPL Edition - #119 by cwolf3d - Released Scripts and Themes - Blender Artists Community