What you will need:
* color printer
* photo editor
* scrap cardboard
* liquid nails, wood glue, or some other construction adhesive
* 3M spray adhesive
Step 1: Print Your Pickax
Open the picture in Photoshop, or your editor of choice, and scale the pickax to the size that you want. Ours was about 22" high and 16" wide. Save this file as a .pdf. The file can then be opened in Adobe and printed to a color printer. The trick is to print it with no scaling (100% size). To do this, select: Page Scaling>Tile Large Pages. You will have to trim the pages and tape image together. Print two copies - one for each side.
I had access to a color laser printer that had an 11x17 feeder. This made for less cutting and taping, but 8.5x11 page size would work fine too.
Leave a larger border of white around you image. This will be more accurately trimmed off in a later step.