VRML Pictures
vrml(plot3d(cos(x^3*y^2),
x=-Pi/2..Pi/2,y=-Pi/2..Pi/2,
style=patchnogrid,scaling=constrained), `chair.wrl`);
Modular
origami involves folding several identical or similar pieces (called units),
which are then joined, usually without glue. Although I prefer single-sheet
origami, some modular models are extremely attractive and elegant, not the least
in the mathematical sense.
Most
modular units are fairly simple to fold; however, assembling some models can be
quite difficult, since some units cycle or "penetrate" one another.
Static diagrams and pictures are often not enough to solve placement ambiguity;
in this case, assembly is greatly eased if a finished model is available for
reference.
These
VRML ("virtual reality") models are intended as an aid to folders who
didn't yet finish or don't have at hand a "real" instance of those
remarkable origami creations.
Diagrams in
OrigamiUSA Annual Collection 2000, pages 212-215.
www.progonos.com/furuti
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