I basically want to create this in Blender
But I have some trouble creating the textures for it. I have created an UV map for it which looks like this.
Now I just want to paint on the UV map. But I am not sure how I would paint those textures. I need some some masking tools, for example I only want to paint on a specific face and not on the whole texture.
I also need some tools like the fill tool and the ability to draw lines because as you can see it is not hand drawn.
Can I do this in Blender itself or do I need to use an 3rd party tools like Photoshop/GIMP?