Thick Surface lets you
add material to a surface in two opposite directions.
Before you begin: Create a 3D shape containing a surface.
In the Object to close box, select the surface you want to thicken.
In the work area, the arrow that appears on the extrude
element indicates the first offset direction. If you need to reverse the
arrow, click it or click Reverse Direction
.
In the First Offset and Second Offset boxes, enter the offset values and 6mm
as the value.
Select a Smoothing mode.
Note:
You can select Disable Tangency Continuity in the
Lateral Edges area to avoid tangency
continuity on the lateral edges.