Border vault
The border vault drawing is performed by clicking four points on the drawing
area. First the form of the vault section is drawn on the drawing area by arcs,
curves and line as in vault drawing. Then vault drawing is performed.
Click Draw/Roof/Border Vault.
Select the objects you drawn for determining the vault section by any of the
selection methods.
Click then right mouse button. The cursor will change form.
Left-click on the drawing area. The point clicked will be the first point of
the vault.
Determine the second, third and fourth points as well by left-clicking.
Border vault drawing will be completed.