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The following example shows how a shelling operation works by creating a hollow solid body.
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Scheme Example
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; shell:hollow-body
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; Create a solid block.
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(define my_block (solid:block (position -20 -20 -20)
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(position 20 20 20)))
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;; my_block => #[entity 1 1]
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(define my_face (car (entity:faces my_block)))
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;; my_face => #[entity 2 1]
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; Hollow the body
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(shell:hollow-body my_face 10)
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(gvector 0 0 1))) 10)
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;; #[entity 1 1]
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; Save the results to an output file.
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(part:save "tmpshell1.sat")
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;; #t
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Figure 8-9. Hollow Body
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