joecrumley
02-05-2002, 10:07 AM
Our sign company has produced sandblasted redwood sign for twenty years. We are looking to expand our product line to alternative materials such as HD Foam. We have used a Grain Frame for sandblasting foam and it is, so,so. The Shopbot presents very exciting posabilities for us.
Foam is so good for routing and it will outlast most any wood and holds a edge around letters and decorations, but there are problems. First is the plain background. You have to do something about this or the sign will look like you cut out letters stuck on something. Why not use the something and save the money. There is also the issue of finishing. Foam manufactures offer a primer to fill the microscopic holes but, it is time consuming and not really very good. We are spoiled with Redwood.
My hope is to find a way to draw or import a woodgrain background and place it behind the letters. I guess the process would be to hatch out the letters, then run the background G code program to simulate a redwood sandblasted look. My initial problem has been how to cut the letters from the woodgrain pattern so they are compatable.
We looked into scanning one of our redwood background but would take too long. Most of our sign are in excess of 3'X6'
Perhaps I could send photo's if anyone is interested.
Best Wishes,
Foam is so good for routing and it will outlast most any wood and holds a edge around letters and decorations, but there are problems. First is the plain background. You have to do something about this or the sign will look like you cut out letters stuck on something. Why not use the something and save the money. There is also the issue of finishing. Foam manufactures offer a primer to fill the microscopic holes but, it is time consuming and not really very good. We are spoiled with Redwood.
My hope is to find a way to draw or import a woodgrain background and place it behind the letters. I guess the process would be to hatch out the letters, then run the background G code program to simulate a redwood sandblasted look. My initial problem has been how to cut the letters from the woodgrain pattern so they are compatable.
We looked into scanning one of our redwood background but would take too long. Most of our sign are in excess of 3'X6'
Perhaps I could send photo's if anyone is interested.
Best Wishes,