Dimensions & assumptions
Default top: 1,400 × 400 × 30 mm. The requested 1,400 mm
default replaces the sketch’s original 1,200 mm length.
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.
Dark walnut is represented by #5b3826. 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.
Reset restores 1,400 mm, dark walnut, the assembled view,
and the initial camera. This is a visual concept,
not a structural specification.