The Solid object tool allows you to draw a solid object on the scene (an arbitrary geometric object). Using the Solid object tool, you can draw furniture, equipment and other obstacles on the scene.
To activate the Solid object tool, click the 
button on the toolbar or navigate to Tools | Drawing | Solid object.
You can also use the Alt + U hot key.
You draw a solid object in the same way as you draw a wall in the shape of a polygon. The Level parameter determines the position of the bottom surface of the solid object relative to the floor.
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In corridors along escape routes, it is not permitted to place equipment that protrudes from the wall surface at a height of less than 2 meters, except for communication cabinets and fire hose cabinets.
If a solid object does not act as a barrier to the spread of dangerous fire factors, it can be disregarded during fire dynamics simulation (for more information, see Ignoring Objects in Fire Dynamics Simulation).