Extrude Faces by specifying height and a tapered angle.
Create a BOX as shown in Figure 1
Command: _box
Specify corner of box or [CEnter] <0,0,0>: Pick a point
Specify corner or [Cube/Length]:L
Specify length: 7
Specify width: 5
Specify height: 6
Figure 1
Figure 2
EXTRUDE the top face by height of 1 unit and taper
angle 15°as shown in 2D Wireframe in Figure 3 and Gouraud Shaded in
Figure 4
Invoke Extrude Faces (Modify menu > Solids Editing > Extrude
Faces).
Command: _solidedit
Solids editing automatic checking: SOLIDCHECK=1
Enter a solids editing option [Face/Edge/Body/Undo/eXit] <eXit>:
_face
Enter a face editing option
[Extrude/Move/Rotate/Offset/Taper/Delete/Copy/coLor/Undo/eXit] <eXit>:
_extrude
Select faces or [Undo/Remove]: Click on top face as shown on Figure
2
Select faces or [Undo/Remove/ALL]:Enter
Specify height of extrusion or [Path]: 1
Specify angle of taper for extrusion <0>: 15
Figure 3
Figure 4
EXTRUDE the top face again by height of 2 unit and
taper angle 30°as shown in 2D Wireframe in Figure 6 and Gouraud Shaded
in Figure 7
Invoke Extrude Faces (Modify menu > Solids Editing > Extrude Faces)
Command: _solidedit
Solids editing automatic checking: SOLIDCHECK=1
Enter a solids editing option [Face/Edge/Body/Undo/eXit] <eXit>: _face
Enter a face editing option
[Extrude/Move/Rotate/Offset/Taper/Delete/Copy/coLor/Undo/eXit] <eXit>:
_extrude
Select faces or [Undo/Remove]: Click on top face as shown on Figure 5
Select faces or [Undo/Remove/ALL]:Enter
Specify height of extrusion or [Path]: 2
Specify angle of taper for extrusion <0>:30
Figure 5
Figure 6
Figure 7
EXTRUDE the top face to create a hole by height of
- 10 (negative) unit and taper angle 0°as shown in 2D Wireframe in Figure
9 and Gouraud Shaded in Figure 10
Invoke Extrude Faces (Modify menu > Solids Editing > Extrude Faces)
Command: _solidedit
Solids editing automatic checking: SOLIDCHECK=1
Enter a solids editing option [Face/Edge/Body/Undo/eXit] <eXit>: _face
Enter a face editing option
[Extrude/Move/Rotate/Offset/Taper/Delete/Copy/coLor/Undo/eXit] <eXit>:
_extrude
Select faces or [Undo/Remove]: Click on top face as shown on Figure 8
Select faces or [Undo/Remove/ALL]:Enter
Specify height of extrusion or [Path]: -10
Specify angle of taper for extrusion <0>:0
Figure 8
Figure 9
Figure 10
View the object from the top to see the hole all the way through
as shown in Figure 11