If you run a flame around the cut the hole saw made, it might smooth out the edges and make em look a little nicer. Don't keep the heat on too long and try it on teh piece you cut out first. Just a thought, sometimes the little touches make a difference.

Looking good

 

steve,

thanks for the pic. now i gotta pick up a hole saw kit

bob

 

Here's what this mod essentially is:

http://4runners.org/writeups/seatbolts/index.html