Long HDU sign

[Jim McWhirter]

We have been asked to make a 18' x 3.5' sign. any suggestions on how to cut in multiple pieces and have a visibly seamless sign? Also it will be mostly black. Any thoughts on how to deal with cupping do to direct sunlight?

[dcruze]

Here is a video I found which shows a good way to index a board that is longer than you machine. See if this helps.

https://www.youtube.com/watch?v=3jhnKr4fc_c&feature=c4-overview&list=UUQ3OtAxZwlKOcjcaxkOfr6w