This is a quick tutorial on Use Vertex Color to draw roundness and colors for objects in blender 2.9 Hope it is useful to you ...

Warning: This addon does not work well from Blender 3.2 to 3.6 due to internal changes in vertex attributes in Blender. However, there is currently an 0.9.0 alpha release available that should work ...

Use in combination with Lemon / Lime or Wraith. Note: Feature description not up-to-date! Experimental import is available for XMODEL_EXPORT v6, but lacks materials, UV mapping etc. Armatures may be ...