I don't know a whole lot about taxidermy, but I'm thankful for everything that I have learned from others and I always try to help beginners any way I can. Altering forms is my favorite part of taxidermy, because it allows you to get creative and make a truly one of a kind mount. Many people seem hesitant about cutting up forms, considering how expensive they can be, but you really can't destroy a form unless you burn it or drop from the top of a skyscraper, lol This is a Thompson gazelle form and when I test fit it, I noticed that it was too short in the neck and face. Angled cuts work the best for faces, because they help keep things in proportion. Then I taped one side, laid it flat on the floor and foamed it. Now it looks more like a Tommy and it fits I didn't get very good pictures on this one, but whenever I have the time I will try to add more alterations to this post. Hope it helps someone.