Editing 3D solid models - Introduction to AutoCAD 2011: 2D and 3D Design - page 378

160 20 25 25 60

10

5 25

10

Ø40 Hole Ø60 Hole Ø20 Ø40

Ø30 R40

Fig. 18.15 Second example - 3D models dimensions

Fig. 18.16 Second example - 3D models

Third example ( Fig. 18.18 )

1. Front . Construct the three plines needed for the extrusions of each part
of the model (details Fig. 18.17). Extrude to the given heights. Subtract
the hole from the 20 high extrusion.

R40 Hole Ø20

R10

25

10

60 70 90

Fig. 18.17 Third example - 3D models - details of shapes and sizes