Choose the Best Wall
Select a wall visible from the doorway.
Avoid walls heavily interrupted by windows, shelves, or tall furniture.
Position the Castle
A large castle usually works best in the central or lower-middle section.
Keep towers clear of ceiling trim and wall-mounted fixtures.
Add Fairies Around the Scene
Place smaller fairies beside or above the castle.
Avoid covering important architectural details.
Add Inspirational Text
Keep quotes and names separate from complex artwork.
The lettering needs enough open background to remain readable.
Review 3D-Style Claims
Visual depth may come from printed shadows and perspective.
Do not describe the decal as physically raised unless the product construction confirms it.
Keep Other Decor Simple
Use plain bedding, simple curtains, and neutral furniture around a detailed castle scene.
Conclusion
Choose one uninterrupted focal wall, position the castle first, and add fairies and text only where they remain clear. Keep 3D-style descriptions accurate and the surrounding room restrained.