How to Carve a Pumpkin for Halloween
With a serrated knife or sawing tool, saw, don’t slice, through the pattern lines using short back and forth motions. Push out the pieces, and trim the edges.
You control the cuts better by sawing. Use a paring knife to trim the edges and to cut the inside of the holes at about a 45-degree angle to allow more light to shine through. Smooth a light coating of petroleum jelly on the cut edges.