Graphics Programs Reference
In-Depth Information
The SURFUNTRIM command
The
SURFUNTRIM
command (no alias) restores parts of trimmed surfaces. It only
prompts for the selection of edges resulting from trimmed operations. The
SURface
option allows restoring all trimmed parts on the selected surfaces:
Command:
SURFUNTRIM
Select edges on surface to un-trim or
[SURface]:
Selection
Select edges on surface to un-trim or
[SURface]:
Enter
Exercise 12.1
From a 2D simple drawing, we are going to model a building with surfaces by follow-
ing these steps:
1. Open the drawing
A3D_12_01.DWG
. The layers are already created.
2. Active the
3D-Walls
layer. Extrude the hexagon by
6
units, as surface
(with
MOde
option set to
Surface
, or applying the
Surface Creation
tool-
bar or
Surface
tab). Extrude the two lines by
3
units.
3. Create an inner surface, apply the
SURFOFFSET
command, select the
hexagonal surface, change the
Flip direction
option, and specify an off-
set distance of
12
units.
4. We apply
SURFFILLET
with a radius of
4
units to the corner between the
two straight surfaces.
5. Activating the
X-Ray
visual style, the model should look like the next dia-
gram:
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