Studio Shooter board Posted on 12/12/201612/12/2016 by Jason Barre 12 Dec Jason Barre DIY hold down clamp #ttrack New table saw sled; .0002" over 29". I didn't believe this level of accuracy was possible with wood so I ran the five cut method twice and came up with the same result. I'm sure it will change slightly with temperature and humidity but I think I'm OK. ;)