"Rob Morley" wrote
| Secondly - most of the corners in our room are corner, but
| there is one external corner which is curved.
| Or maybe you could cut lots of slots in the front of a piece
| of dado so it will bend around the corner, fix it to the wall
| then fill the gaps. I know this is bodgery, but as I said it
| can look good if it's done well. Having lived in a house
| with curves and dado rail I know how crap it can look if it's
| just mitred as if it was a square corner.

It's an external corner, so the slots would be sawn in the back of the dado
rail (the slot is to permit compression not expansion) and would be almost
invisible from the front. Steam bending should complete the rest. This
assumes wood not MDF.

Owain