Exercise 207


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Introduction:

There are two primary ways to use the power of 3D computer modeling software to produce architectural models. In this exercise, you will explore “modeling through layers of details.” For this exercise, you will be modeling a structural glass wall (complete with steel hardware).

Part 1:

  1. Begin by drawing the shape to the right. You will likely need to use the Polyline tool (Rhino Tutorial 5.5) as well as the Arc tool. Pay careful attention to measurements.S2011_gadams_ex_10-3-1
  2. Next, use the Rotate3D command (Rhino 5.6) to rotate the shape up into the vertical direction.
  3. Use the join command (Edit>Join) to join all of your lines together
  4. Now, use the circle tool to draw a circle at the end point of the object (indicated with arrow).S2011_gadams_ex_10-3-2
  5. Use the Sweep 1 Rail command (Rhino 5.10) to create a tubular surface that defines the steel rod used in the spider clamp.
  6. Next, use the circle tool to define the 1.5” buttons at the base of the steel rod created in step 5. Refer to drawing on the back of this page.
  7. Use the Surface>Extrude Curve>Straight command to create the surface of the button. Make sure to change the Cap to “Yes.” The button should be 0.5” thick. Repeat for the opposite side of the steel rod.S2011_gadams_ex_10-3-3
  8. Use the Copy/Move commands to make a copy of your piece. Use the rotate command to rotate it 90 degrees from the first one (to make an “X”). You now have the base of your steel spider.S2011_gadams_ex_10-3-4
  9. Next, using the methods discussed above, create the tension rod that extends from the steel spider to hold the 3/8” diameter tension cable. Refer to the dimensions on the back of this sheet if necessary. (This should test your understanding, which is why I’m not writing a step by step guide.)
  10. Now, at point (0,0) create a 4’ x 6’ x 1/2” thick piece of glass (rectangular surface)
  11. Move your finished spider from above to rest on top of the piece of glass as indicated in the plan on the back of this sheet. Add the 3/8” steel cable to the height of the glass.
  12. Once you have the final piece assembled, use the Rotate3D command to change the whole unit so that it rests in the vertical plane.
  13. Now, following the techniques you learned in Exercise 205, assign each object a material. You should assign the material by layer rather than by object (this will be demonstrated in lecture). Save your .3dm file and your rendered image.
  14. Upload your rendered image to the course website by the end of class today. You do not need to comment on this exercise.
  15. If you finish early, begin working on Assignment 201.

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