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Isometric Drawing and Coded Plans

Prepared by: Sheryl Sorby, Ph.D. Amy Hamlin, Ph.D. Norma Veurink. Isometric Drawing and Coded Plans. Isometric Sketching. Isometric Axes Coded Plans Isometric Sketching. Isometric Sketching. Used to portray a 3-D object on a 2-D sheet of paper.

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Isometric Drawing and Coded Plans

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  1. Prepared by: Sheryl Sorby, Ph.D. Amy Hamlin, Ph.D. Norma Veurink Isometric Drawing and Coded Plans

  2. Isometric Sketching • Isometric Axes • Coded Plans • Isometric Sketching

  3. Isometric Sketching • Used to portray a 3-D object on a 2-D sheet of paper. • The relationship between the 3-D axes appears differently when projected onto a 2-D surface, i.e., perpendicular angles no longer appear perpendicular.

  4. Isometric Axes

  5. Isometric Axes • Note that all surfaces of an object sketched in isometric will appear distorted. The surfaces of the cube appear to be rhomboidal Isometric sketches are made as if you were looking down a diagonal of a cube

  6. Isometric Axes • Isometric grid paper or dot paper is a useful tool for constructing isometric drawings.

  7. Coded Plans • Pictorial sketches can be made from coded plans. • Coded plans define the shape of a building made of blocks. Coded Plan Building

  8. Coded Plans • Isometric sketch from corner C.

  9. 1 3 2 1 C Isometric Sketching Guidelines for constructing isometric drawings: Draw edge "C". Sketch surface to the right or left of edge “C”. Draw a surface that shares an edge with the surface just drawn. Continue drawing one surface at a time until the object is complete. NOTE: Do not show the individual blocks in the building. Just show edges where surfaces intersect. C Step 4 ... Step 3 Step 1 & 2 Step 4 ...

  10. DemonstrationSketch the X-corner view of the object shown below 2 3 1 1 X

  11. In-class ExerciseSketch the X-corner view of the two objects shown below 2 2 2 1 X 3 2 1 2 1 2 X

  12. Complete the Computer Module on Isometric Sketching

  13. Homework Assignment • Due next week, beginning of class • In the workbook: • Sheets 4, 5, 6, 7, 8, 11, 12, 13 & 14

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