Building a Helmet - Using Alphas

First Alpha created with a Boolean

1. Dip shape into a cube and subtract using Boolean technique.
2. Face shape parallel to screen.
3. Select RGBZGrabber under Tools palette.
4. Drag over negative shape to create Alpha.
5. Invert Alpha under Alpha palette.
6. Go to master too project and apply alpha to mesh using the Standard Brush-Drag Rec-Newly Created Alpha.

Second Alpha Grab Doc

1. Make a square doc make sure it's entirely visible.
2. Create mesh that fits the square doc.
3. Click 'Grab Doc' at the very bottom of the Alpha palette.
4. Make adjustments to the setting and graph in the Alpha palette to desired effect.
5. Go to master too project and apply alpha to mesh using the Standard Brush-Drag Rec-Newly Created Alpha.