What Is Polypainting?
Polypainting is an approach to texturing that lets you color a model by applying a single RGB value to each polygon vertex. This allows you to texture without the need for UV coordinates. By applying color directly to vertices, you also avoid the need to drop the model to the canvas while painting. All texturing can be done in Edit mode, and you can freely rotate around the model.
Because the color is applied to each vertex, this means the resolution of the resulting texture is directly linked to the number of subdivision levels in the mesh. This means that a model of several million polygons can have a sharp, clear texture whereas a lower resolution level will have a softer texture with less detail.
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