9-Frame Grid Gallery Wall Blueprint: 3×3 Spacing & Wall Width Calculator
Build a symmetrical 3×3 9-frame collector grid without crooked rows: exact outer frame widths, 2.5-inch gap math, and ceiling height clearance checks.
- Total 3×3 footprint (12×12s)
- 56.0" W × 56.0" H (at 2.5" gaps)
- Horizontal sofa ratio
- 62.2% of a 90" sofa (Ideal width)
- Vertical ceiling requirement
- Needs 9 ft (108") wall over a 34" sofa