Mold Trouble - Boolean Difference

Rhino Rhino for Windows
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1

Hi everyone!

First-time poster here.

I am attempting to make a mold of 3 kinds of concrete bricks. I imagine that each of the bricks will be cast in two halves.

I tried to put a box around it and boolean difference (failed) before splitting it. What am I doing wrong?

All the best,
Matt

20190327_CNCMOULDS.3dm (501.6 KB)

2

Hi Matt - make 2 half-boxes and BooleanDifference the object from each.

-Pascal

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3

Perfect. Thank you @pascal! I guess the boolean has to insect a surface boundary?

4

Yes, exactly.

-Pascal

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