I just checked again by googling hickory nut templates and the site is
http://www.hhqsewingcenter.com/shop/Hickory-Nuts.htm
Be warned, the postage is very high, but this is the only place to find them. I went ahead and ordered 2 diff. size sets because of the postage. Haven't made any yet. It is on my to do list. Their phone # is (501) 318-2739 or at least that is what it says on their site.
Marcia in TX