Buttons at the top of canvas
Mrgb - Select this if you want to fill the subtool with material and color.
Rgb - Select this if you want to fill the subtool with color only.
M - Select this if you want to fill the subtool with material only.
- Select the subtool you want to fill.
- Select either Mrgb, Rgb or M (as above).
- Select either your color or material or both depending on what you want to do.
- Go to ‘Color’ menu and click ‘FillObject’.
Now select another subtool, and another material and color, and the first one you filled will remain with material an color you assigned to it.