Define Beam/Segment Structure

Select a Beam or Beam segment.

Use the Structure panel of Beam Settings (Segment page) to define its structure properties and length (fixed or flexible).

For a selected segment: these Settings are also available in Beam Edit mode.

Cross Section

Click an icon to define segment cross-section.

Rectangular
Circular
Complex Profile

Building Material/Profile

Use the pop-up to choose a Building Material or Profile for the Beam or Beam segment.

Note: The pop-up shows only the Profiles whose “Use With” control includes Beams. Profiles are defined at Options > Element Attributes > Profile Manager.

Segment Length (Fixed or Flexible)

For each selected segment: Define its length as either fixed or flexible, by clicking the corresponding icon in the Structure panel.

For fixed-length segment: Define the length. It will remain unchanged even if the Beam stretches. (You can also enter a selected segment’s length in the Structure list.)
For a flexible segment: Define its length as a percentage of all the flexible segments. (The flexible segments together add up to 100%.) Segment length will stretch accordingly if the Beam stretches.

Segment Length - Edit in 3D

Select the Beam in the 3D window.
Click the Join hotspot (on the Beam reference line).
From the pet palette, use Move Segment Join to adjust segment length
Note: If you drag the segment hotspot into the adjoining segment, this eliminates the dragged segment entirely.