You don't have to do a triple thick coating of clear I just did my Space shuttle with a hard top, sanded, leveled the inserts, and sprayed clear mainly over just
the inserts, to take the dull out of them. stuck on the hard top, and she's never looked or played as good. I don't think I spent more than a total of 3 hours.
With the number of games made, this will never be worth what installing a new CPR PF would cost in time and labor.