Cut off 6 1/2 inches of the sweater sleeve.

Turn the right sides in, so the shirt sleeve is inside out, and do a basic running stitch about 1/2 and inch from the cut edge.

Pull the yarn tight to gather the sweater sleeve and close together the first end. Knot the yarn and trim any long tails. We will refer to this end as the bottom moving forward.

Turn the sweater sleeve right side out.

Stuff the sleeve with fiberfill stuffing to almost fill the sleeve. The sweater sleeve with stretch when you stuff it.

Cut a long piece of yarn to close the other end of the pumpkin and create the pumpkin ribs. I used about a 48- inch piece of yarn for this.

With the long piece of yarn, repeat the simple running stitch around the top edge, pulling the two ends tight to close the opening. Knot to secure, but do not trim, we will create the ribs with the remaining yarn, and it needs to be anchored securely.

With the same piece of yarn that just closed the top opening of the sleeve, use the needle poke all the way through the pumpkin from the bottom center gathered spot to the top of the pumpkin.

Continue creating ribs by working around the pumpkin, stitching all the way through the pumpkin, from top to bottom, until you have as many ribs as you'd like your pumpkin to have. As you tighten the rib stitches gently, the shape of the pumpkin will begin to take form.

Finish off your rib stitching by knotting the yarn and trimming any long tails

Choose which end you like better for the top, and then hot glue a piece stick as a stem.

You could also add a little natural raffia bow to simulate the fibrous vines a pumpkin often has.