I think an ordinary tweed jacket could be cut down to an argyll jacket -- if you look into "So Your're Going to Wear the Kilt" you'll see that the difference is length (it is shorter than the sleeves) and the curve of the opening in front ( so the belt buckle is more visible when the jacket is open -- which it almost always is). However, the jacket should have little initial cost (so a mistake is not expensive) I got this one from a Goodwill- type store for 99 cents. Furthermore, it needs to have patch pockets that can be removed and/or raised.

Does anyone have a design for an argyll jacket so I don't have to freehand it? Any other suggestions?