Here is an autocad dwg file where there is a 3D view of the desk for office with its chair and appropriate space planning with all detailing.
Basement wall
Water septic tank section,
Detail inter floor using l
Anchors section detail dwg
Foundation structure Beam
Detail contention for beac
Truss section view with co
Section plan detail dwg fi
Radiating floor details
Brake shoe section detail
Column and section plan de
Isometric roof tile detail