Sketch dimensions & assumptions
Top: 1,200 × 400 × 30 mm initially. Four legs:
50 × 50 × 420 mm. Assembled height: 450 mm.
All edges are square.
Each leg’s outer faces are inset 40 mm from its two
adjacent top edges. Changing length preserves these insets.
Wood shade is unspecified; warm brown is assumed.
No hidden joinery, apron, or bracing is added.
Feet are at Y = 0; X is length and Z is depth.
Exploded view raises only the top by 250 mm.
Dimension cards continue to show assembled dimensions.
This is a visual concept, not a structural specification.