Interior Design App: One Wall, Three Millwork Treatments
Most design decisions are small and expensive to get wrong. A wall treatment is one of them. Here is one fireplace wall, three ways, with everything else held still.




What stayed the same
Everything except the wall. The oak beams, the vaulted ceiling, the fireplace, the mantel and the television are identical in all four frames. So are the sectional, the oak coffee table, the rug, the lamp and the greenery on the table. The window on the left shows the same lawn and the same play set beyond it.
What changed
Shiplap runs vertical boards up the wall and across the ceiling, which brightens the whole space. Raised panels frame the wall in cream, with a taller centre panel over the mantel. The grid version applies a simple pattern of moulding and paints it sage green, so the wall becomes the colour in an otherwise neutral space.
Style notes
- Shiplap reads coastal and casual. Raised panels read traditional. The grid reads current
- Paint the millwork the wall colour and it reads as texture. Paint it a colour and it reads as a feature
- Vertical boards on a vaulted wall stretch the height. Horizontal boards would fight the beams
- Try the treatment before you hire the carpenter. This is exactly the decision the app exists for
These designs are AI visualisations of one space, with the walls, windows and layout held constant. That is what Recasa does with a photo of your own space. Furniture and finishes are visualisations, not photographs of a finished build.
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