My first semi-custom pen was made by Ken Cavers or drgoretex as he is known on the Fountain Pen Network. He is making a pen in the shape of a bamboo stalk that you need to see. Eventually I will get one. 🙂
Ken has posted a nib adjustment guide. It has every basic technique that any fountain pen user should know. I have always been an advocate of doing your own nib adjustments. After all, who knows how you like your pens to write more than you?