Three-dimensional space - Introduction to AutoCAD 2011: 2D and 3D Design - page 359

Fig. 17.29 Example - Edgesurf

The Rulesurf tool - Fig. 17.29
1. Make a new layer colour blue and make the layer current.

120

2. In the ViewCube/Front view construct the pline as shown in Fig. 17.30.
3. In the 3D Navigate/Top , Zoom to 1 and copy the pline to a vertical
distance of 120 .
4. Place in the 3D Navigate/Southwest Isometric view and Zoom to 1
5. Set SURFTAB1 to 32 .
6. At the command line:

R10

100

Fig. 17.30 Rulesurf -
the outline

Command: enter rulesurf right-click
Current wire frame density: SURFTAB1=32
Select fi rst defi ning curve: pick one of the plines
Select second defi ning curve: pick the other pline
Command:

The result is given in Fig. 17.31 .

Fig. 17.31 Example -
Rulesurf

The Tabsurf tool - Fig. 17.32
1. Make a new layer of colour red and make the layer current.
2. Set Surftab1 to 2 .
3. In the ViewCube/Top view construct a hexagon of edge length 35 .
4. In the ViewCube/Front view and in the centre of the hexagon
construct a pline of height 100 .
5. Place the drawing in the ViewCube/Isometric view.
6. At the command line:

Command: enter tabsurf right-click
Current wire frame density: SURFTAB1=2