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This chapter is from the book

Drawing 3D by Subtracting Elements

You often draw 3D objects by subtracting elements. To show how this works, we'll draw a table like the one you see in Figure 5.20.

Figure 5.20

Figure 5.20 A 3D table.

How was that table created? Here's how:

  1. Click the Start Using SketchUp button and click the human figure that appears in the Engineering–Feet template to select it; press the Del key to delete it.
  2. Draw a horizontal rectangle.
  3. Click the Push/Pull tool in the toolbar and move the mouse cursor to the rectangle.
  4. Press the mouse button on the rectangle and drag the rectangle up to extend it into a 3D cube.
  5. Select the Rectangle tool in the toolbar.
  6. Draw a rectangle on the cube as shown in Figure 5.21.
    Figure 5.21

    Figure 5.21 Adding a rectangle to a cube.

  7. Select the Push/Pull tool in the toolbar.
  8. Push the rectangle through the cube until you get a cutout in the shape of the rectangle.
  9. Select the Rectangle tool in the toolbar.
  10. Draw a rectangle on a cube surface adjacent to the first surface where you drew a rectangle. Draw the rectangle so that pushing it through will give you two of the table's legs.
  11. Select the Push/Pull tool in the toolbar.
  12. Push the rectangle through until you get a cutout in the shape of the rectangle. You can see what the result will look like in Figure 5.22.
    Figure 5.22

    Figure 5.22 Pushing through a rectangle.

  13. Select the Rectangle tool in the toolbar.
  14. Draw a rectangle on the remaining vertical cube surface. Draw the rectangle so that pushing it through will give you the final two table legs.
  15. Select the Push/Pull tool in the toolbar.
  16. Push the rectangle through until you get a cutout in the shape of the rectangle. That creates the table in Figure 5.20.

And that's one technique for drawing 3D—by subtracting elements.

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