Series

Select the desired series to display the appropriate nominal sizes

Size

Select the bulb flat size

Length

(3D only)

Enter the length of the 3D bulb flat

Place Locus at Centroid (2D only)

Select whether to draw a locus at the centroid of the 2D bulb flat

Lock Centroid Position

Locks the centroid position; when locked, the centroid behaves like the object’s insertion point and remains in position if the object’s shape/size/rotation is edited

Custom Size

Select this option to enable fields for specifying a custom bulb flat size

Width

Displays the bulb flat width, or if Custom Size is selected, allows entry of a custom value

Thickness

Displays the bulb flat thickness, or if Custom Size is selected, allows entry of a custom value

Bulb Height

Displays the bulb height, or if Custom Size is selected, allows entry of a custom value

Bulb Width

Displays the bulb width, or if Custom Size is selected, allows entry of a custom value

Bulb Radius

Displays the bulb radius value, or if Custom Size is selected, allows entry of a custom value

Fillet Radius

Displays the fillet radius value, or if Custom Size is selected, allows entry of a custom value

Bulb Angle (Deg.)

Displays the bulb angle in degrees, or if Custom Size is selected, allows entry of a custom value

Section Properties

Section properties are automatically calculated and displayed based on inch units for imperial shapes and millimeter units for metric shapes (regardless of the units selected and Show Unit Mark setting in the Units dialog box)

Area

Displays the bulb flat area

About Axis X-X/Y-Y

Moment of Inertia

Displays the moment of inertia about both the horizontal (X-X) and vertical (Y-Y) centroidal axes

Section Modulus

Displays the section modulus about both the horizontal (X-X) and vertical (Y-Y) centroidal axes

Radius of Gyration

Displays the radius of gyration about both the horizontal (X-X) and vertical (Y-Y) centroidal axes