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When I try to project a string over a plane some symbols like "O" are filled

import three;
path[] Oletter=texpath("O");
path3 Oletter3D = path3(Oletter[0],XYplane);

How can I do?

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up vote 5 down vote accepted

The label command is available in 3D as well:

import three;

In your code you only use the outer curve of the symbol and it gets filled. An alternative is

import three;
surface s = surface(texpath("O"));
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thanks a lot, now works fine – Phraellyn Dec 26 '11 at 9:05

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