That would certainly be useful to me even at a higher specialized price. I've only modified existing ones and I haaaaaate it so much because I waste so much time thinking about what to do next.
I like my instructions to be straightforward. I don't "get" sewing well enough to work off the cuff.
Next conventions: Castle Point Anime Convention (?), Anime Next (!)
Currently working on (commission): Aiden Pearce (Watch Dogs)
Currently working on (personal): Christmas gifts