Some free hedgehog patterns available online are knitted hedgehogs and Harper hedgehog. A pattern for the knitted hedgehog appears on PurlBee.com while Harper's pattern is on RedHeart.com
The knit hedgehog pattern includes color suggestions, a list of materials and detailed instructions for completing the project. This knitted hedgehog only requires two colors of yarn to complete. The instructions provide line-by-line instructions as the knitter knits.
Harper hedgehog is an amigurumi animal that features many bright colors and a textured body. The website offers a detailed material list that knitters can order from the pattern page. The pattern is available for download in a PDF format that the knitter can print after download.