Enlarging an image for large print

[Todd]

hi i need some help with printing a large image as in what are the best settings to save it in before sending to the printers, customer has requested a 1m high print.

any help would be appreciated.

this is the image in question.


FW1 by Dale Batchelor photography, on Flickr

 

[POAH]

Don't sharpen image then interpolate in 10% increments till you get final size then sharpen