9.5.2

592 • CHAPTER 10
STRUCTURE MENU • 593
Subdivision set to 0. Subdivision set to 3.
Create N-gons
Enable this option if you have dened subdivisions but want to avoid the additional edges between
the original polygons and the inner extrude that this would normally cause.
Preserve Groups
Preserve Groups enabled. Preserve Groups disabled.
If this option is enabled, the connected polygons will stay together during extrusion, provided they
do not exceed the Maximum Angle relative to each other.
Proceed with caution when inner extruding several connected polygons that you want to keep as a
group. In the following example, only the outer edges of the selection are moved inwards. The edges
of the inner surfaces of the selection are not affected.
This can lead to problems when starting with a certain Offset value, since the outer edges can possibly
overlap with the internal ones. The problem occurs when starting with an Offset value that is set too
high. To remedy, set Offset to a lower value.
Before extruding inwards. After extruding
inwards — only the
outer edges are
moved.
Offset set too high.