The texture stencil tool from blender

[aurora-1-2-3]

Detailed description of your suggestion

Stencil:
This is the ideal option for stamping textures for projection painting. Stencil mapping works by projecting the texture from the camera space on the mesh or canvas. Painting is applied only inside the boundaries of the stencil.

bandicam.2024-05-14.00-19-35-257.mp4

It can be great for huge models where you don't know what to add to the blank faces
For exp
Ender dragon
Ghast