1. Select the unit: mm or inch
2. Review and modify the required fields (marked with *) - already filled with example values
3. Info icons (ⓘ) show details for each parameter
4. Click "Calculate" for feasibility analysis (recalculate after changes)
5. Check the result: ✅ = OK, ❌ = adjustment needed
6. 3D visualization: Use the "Build 3D" button in the combinations for a 3D view

Calculation Modes:
1. Structure → Capacity: Fill in chamber aisles, shelves & floors, leave total boards empty → calculates number of boards
2. Capacity → Structure: Only fill "Total Number of Boards", leave chamber structure empty or 0 → calculates possible structure
3. Hybrid: Fill both → checks and shows alternative combinations