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Refer to the on-line tutorials for techniques for segmenting walls, extending walls, creating offset walls, etc. Because of the need to preserve an orthogonal wall system and a closed building envelope, it is not possible to create perimeter walls free hand. Instead, perimeter walls are created and moved by use of the shift key while dragging walls and wall ends.
Any wall can be divided into smaller walls. These walls can be moved perpendicularly to create offset walls. Walls are automatically named by combining the shear line designator with the position of the wall in the sequence of walls on that shear line and building level, e.g. A-1, A2, A3… or 1-1, 1-2, 1-3.
If walls are subdivided accidentally, the "Merge" and "Delete" features can be used to undo the action.
You should not carelessly divide a long wall into smaller walls without good reason. Depending on the configuration, as this may needlessly add extra hold-down connections to the shear wall design. Walls are usually divided to account for gaps in the shear-resisting elements along the shear line, to create offsets in the shear line, or to implement walls of different types. A wall of the same type should not start exactly where another such wall ends.