CS 285: SOLID MODELING

Lecture #17 -- Mo Mar. 20, 2000.

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Preparation

  • Build your test tiles.

    The Design of Snap-together Tiles

  • Review of the first fabrication results
  • Results of the "Venture Capitalist Rally"
  • Which designs could be injection molded ?

    Possible projects derived from Assignment #5

  • Make tiles for less regular polyhedra, such as G. Hart's "propellerized icosahedron"
  • Turn the "organic shapes" on your Escher sphere into tiles that snap together
  • Make an injection mold for a 3D zonohedra tile
  • Build a model of a symmetrical projection of a 4D regular polytope

    Remarks on Semiregular Polyhedra (cont)

  • Polyhedron transformation
  • Relationships between the different (semi-)regular polyhedra
  • The polyhedra generator of George Hart, the artist of "Rainbow Bits"
  • Jitterbug mechanisms
  • Hoberman Spheres
  • Hoberman's Expandagon system
  • -- seeing the "big" connections ...

    Mechanisms in General

  • Joint types
  • Degrees of freedom

    Current Homework Assignment:

    A#5: Snap-together Parts -- Phase 2: Fabrication

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