Texture "mapping helper matrix"

[m2001]

Sometimes i have the problem, that i can`t exactly scaling an image/map to the model - a little bit to small or to big. Time to build a "mapping helper matrix" to check, what areas of an image are mapped on the model.

U can load it on an object and see what areas/numbers are mapped.

In example/attachment u can see, that the matrix/image is mapped nearly from 8.9 to 12.17.

And now u can load the matrix + model in Gimp/Photohop and paint on the correct areas.
Ok, it´s a special way - but better than ...

Full size 5.000 x 5.000 at gdrive:
https://goo.gl/QWcLj7

[m2001]

Result

[mclarekin]

Nice approach. And thanks for all your very helpful and interesting tutorials