[DerekAsirvadem]

Then check out the samples and templates.

For Interesct/Subtract, this is a good intro. And check in with Omni Mouth regularly.

As you say the online documentation is a little limited.

Sure. It can be expected to teach you how to use the product (I meant it was a bit legless in that aspect); it cannot be expected to teach you to draw (it does not try to).