Christmas sign

The holes in these were not intended to initially have lights fitted, so they don't conform to a specific LED holder diameter. I have just added them as decoration only. I print each letter to the maximum size possible on my printer's bed and so the whole sign measures 23 inches long.
The word HAPPY is intended to rest on top of the word XMAS and so I have built extensions at the back. However it may be necessary to use some very low tak adhesive just to keep it place - I used double-sided t