There's search options that he could be using to find your auctions. If he's getting Tele template auctions canceled unilaterally, he's probably searching on that.
Could you sell a generic "electric guitar template" instead? Is he so hell bent on you as a seller that he would cancel a generic auction like that where any registered name like Tele, Strat, or whatever is NEVER mentioned?
I'd play around with the wording to find one that sticks.
Well, it's still up at the moment, for what it's worth. I think you need to get rid of the angry sounding disclaimer. It sends the wrong message.
In the interest of helping you here, I wouldn't buy that template for two reasons. First, the description is not well written, there's misspelled words, typos, etc... Second, that disclaimer is the best written part of the whole auction and it's filled with venom.
I had similar anger and rage against Kench Byers when he ripped off me, projectguitar, and fishbake. It took me a long time to deal with that.
I think you need to rewrite your description to be generic, as you've done in the auction you linked to. But, loose the anger. Stick to the product. For example:
"You are bidding on a 1/2 MDF electric guitar template. The shape and design is based on several classic instruments that date back to the 1950's. You can use different pickup configurations, add an F-Hole for a semi-hollow body, or even modify this template to create your very own special combination of features.
Use the Buy it Now option and shipping is free!
I've been a power seller for 5 years for a reason. If you have any questions about my templates, please contact me.
Disclaimer: buyer should contact me within 10 days after auction completion to inform me of method of payment. Shipping and handling is not negotiable. Shipping rates are based prices established by the USPS for parcel post. This template, in no way, is intended as a replacement or copy of instruments that are protected under registered trademark."
Something like that. Anyone else is free to modify that as needed. Surely we can all write something that will keep you in business.
<edit used code blocks to set out the auction rewrite.>