I cut the rockers with a router using a jig I built for that purpose. I cut dados in the base to attach them to the bottom, glued & screwed. I mounted bar clamps to hold my Kickr, inflated 5” dodge balls to keep it centered and act as springs. Just add Watts.
The linear rod version will be full length to out the whole bike on it. Cutting it @ my brother’s machine shop on Jan 8th, 2022, when we both finally have the same day available to get together. Can’t wait!