1. Cut a piece of cardboard into a rectangle. Cut two squares, making the sides as long as the thin side of the rectangle.Ramp · Rail · Bowl · Half Pipe
Step 1: Make a Mini Ramp · Step 2: Make a Rail · Step 3: Make Stairs · Step 4: Halfpipe · Step 5: The Spine · Step 6: The Starting Ramp · Step 7: Enjoy Your New ...
Step 1: 1. Create the Form ... Create a negative mold of your desired park shape. We built a tub from scrap 3/4 plywood and spray glued some plastic film to it.