Seth McClure on Instagram: "Today I finished a stop block for the Wedgie Sled which was the last piece of this system. Today I set the sled up for 10 segments with the 3D printed setup blocks and got a perfect fitment on the 1st try. That’s what makes this system amazing, literally anyone can cut perfect segmented rings with however many different segments you want. I made lots of rings over the years on a different type of sled and could get them very close but never perfect like this setup. (L