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Excavate Full thumbnails
tree :: Antiprism Examples and Visual Reference > Topics and Overviews > Topics: Symmetry > Excavate Full Image List
Description : The -F option of off_align aligns a face on the brick with a face on the base and then uses it to augment or excavate the base model (the polyhedra are joined and the bonding faces removed). This operation can be repeated symmetrically with the -y option.

In this example the base polygon of a pentagonal pyramid is aligned with a face of a dodecahedron. An alignment number is chosen that causes the pyramid to lie inside the dodecahedron, producing an excavation. The bonding operation is repeated with the symmetry of the base model by specifying -y full.

View this model with the command

off_align -F pyr5,0,0,5 -y full dodecahedron  | antiview
 
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Image
align_F1.jpg  34KB JPEG image, 800 x 600 pixels
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