Grind the cranberries and the orange in a food grinder or chop in a food processor. Place ingredients in a bowl, cover with sugar, and let stand one hour. Meanwhile, dice celery and grind or chop walnuts or pecans. Prepare Jell-O by dissolving in 1 and 1/2 cups boiling water. Add pineapple and let stand in refrigerator until slightly thickened.
Add cranberry orange mixture, celery, and nuts and pour in a 9×13 casserole dish. Chill till set.