Shape : Node

The following image maps and lists show the 3ds Max shape class objects:

Splines
Arc
Circle
Donut
Ellipse
Helix
Line
NGon
Rectangle
Section
Star
Text
NURBS Curves
CV_Curve
Point_Curve
Extended Splines
Angle : Shape
Channel : Shape
Tee : Shape
WalledRectangle : Shape
WideFlange : Shape