Origami Nets

The Origami Nets is aDALESTapplication. It is the most complex application in the project. It allows the students to build nets and then fold them. The objects which can be used in the nets are: square, rectangle, equilateral triangle, isosceles triangle, regular polygon, chain of rectangles forming a cylinder, chain of isosceles triangles forming a cone, circle, bendable rectangle and bendable circular pie

Each object can be attached to any other object if their attatching sides are of the same length. The folding angle along any edge between two connected objects can be changed interactively. An object could be fully unfolded (into flat 2D net) or fully folded (i.e. 3D net)

The program is accompanied with a set of 43 predefined nets; 39 of them (11 cubes, 11 pyramids, 8 cuboids, 7 prisms, 1 cone and 1 cyllinder) are taken from the design document provided by project partners


These are instructions how to interact with the application

  1. Build all platonic solids
  2. Find all possible nets (excluding symmetry and rotation) for cubes; compare them with the 11 nets from theStuffed ToysorScissorsapplications
  3. Find all possible nets (excluding symmetry and rotation) for triangular and quadrangular pyramids
  4. Build nets for cubes and cuboids using only triangles
  5. Build nets for pentagon/hexagon pyramids using triangles
  6. Find various ways to fill the plane with figures. Can this be done only with triangles? Squares? Hexagons? Pentagons? How to fill the plane with two shapes?
  7. Design more complex objects (like house, stairs, table, ball) using many figures. Create a gallery with your own objects
  8. Use the Origami Nets to experimentally find the angles in a pyramid depending on its size and number of vertices of the base polygon
  9. Create complex figure and then ask another person to recreate it
  10. Propose solid which can fill the space
  11. Prepare an unfolded net and ask others to guess what solid will be made after folding
  12. Do research about solid and their nets when all angles between joined sides are negated, or subtracted from 180, or modified in another but consistent for all angles way
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