9

Box Primitive 171
Sphere Primitive (page 1–174)
GeoSphere P rimitive (page 1–176)
Cylinder Primitive (page 1–177)
Tube Primitive (page 1–179)
Torus Primitive (page 1–180)
Pyramid Primitive (page 1–182)
Teapot Primitive (page 1–183)
Plane Primitive (page 1–185)
Also available from the Object Type rollout is the
AutoGrid option (page 2–7).
You can convert standard primitive objects to
editable mesh objects (page 1–996), editable poly
objects (page 1–1022),andNU RBS surfaces. (page
1–1116) You can also convert primitives to patch
objects; see the path annotation at Editable Patch
(page 1–968) (the information at the start of the
topic that tells you how to create this type of
object).
Allprimitiveshavenameandcolorcontrols,and
allow you to en ter initial values from the keyboard.
See these topics:
Object Name and Wiref rame Color (page 3–757)
Creating Primitives from the Keyboard (page 1–169)
Theremainingrolloutsarecoveredinthetopicfor
each primitive.
Box Primitive
Create panel > Geometry button > Standard Primitives >
Object Type rollout > Box button
Create menu > Standard Primitives > B ox
Box produces the simplest of the pr imitives. Cube
is the only variation of Box. However, you can vary
thescaleandproportiontomakemanydifferent
kinds of rectang ular objects, from large, flat panels
and slabs to tall columns and small blocks.
Examples of boxes
Procedures
To create a box:
1.
On the Object Type rollout, click Box.
2. In any viewpor t, drag to define a rectangular
base, then release to set length and width.
3. Move the mouse up or down to define the
height.
4. Click to set the finished heig ht and create the
box.
To create a box with a squar e base:
•HolddownCt rl as you drag the base of the
box. This keeps length and width the same.
Holding the
Ctrl key has no effect on height.
To create a cube:
1.
On the Creation Method rollout, choose Cube.
2. In any viewport, drag to define the size of the
cube.
3. As you drag, a cube emerges with the pivot
pointatthecenterofitsbase.
4. Release to set the dimensions of all sides.