9

670 Chapter 8: Modifiers
Note:
Bridge always creates a straight-line
connection between polygon pairs. To make
thebridgeconnectionfollowacontour,apply
modelingtoolsasappropriateafter creating the
bridge. For example, bridge two polygons, and
then use Bend (page 1–560).
Br idge S ettings—Opens the Bridge dialog (page
1–1067), which lets you connect pairs of polygon
selections via interactive manipulation.
Flip—Reversesthedirectionsofthenormalsof
selected polygons, hence their facing.
Hinge From Edge—Lets you per form a manual
hingeoperationviadirectmanipulationinthe
view port. Make a polygon selection, click this
button, and then drag ver tically on any edge to
hinge the selection. The mouse cursor changes to
a cross when over an edge.
Thehingeedgeneedntbepartoftheselection.Itcanbeany
edge of the mesh. Also, the selection needn’t be contiguous.
Hinging p olygons rotates them around an edge
and creates new polygons that form the sides of the
hinge, connecting the selection to the object. It’s
essentially an extrusion with rotation, with one
exception: If the hinge edge belongs to a selected
polygon, that side is not extruded. The m anual
version of Hinge From Edge works only with an
existing polygon selection.
Tip: Turn on I gnore Backfacing to avoid
inadvertently hinging around a backfacing edge.
Hinge S ettings—Opens the Hinge From Edge
dialog (page 1–1073),whichletsyouhinge
polygons via interactive manipulation.
If you click this button after performing a manual
hinge, the dialog opens with Angle s et to the extent
of the last manual hinge.
Ex trude A long Spline—Extr udes the current
selection along a spline.
You can extrude a single face (1) or a selection of contiguous
(2) or non-contiguous faces (3). Ex trusion 2 uses Taper Curve
and Twist. Extrusion 3 uses Taper Amount; each extrusion has
a different curve rotation.
Make a selec tion, click E xtrude Along Spline,
and the select a spline in the scene. The selection
is extruded along the spline , using the spline’s
current orientation, but as though the spline’s start
point was mov ed to the center of each polygon or
group.
Extr ude Along S pline S ettings—Opens the
Extrude Polygons Along Spline dialog (page
1–1071),whichletsyouextrudealongsplinesvia
interactive manipulation.
Edit TriangulationLets you modif y how polygons
are subdivided into triangles by drawing internal
edges.