Hi @Joshua
I was reviewing how I get accurate results and it seems the chain stretch factor is possibly one that could be used to tune up the calibration. My value is 8.1x10E-6 m/m/N. It is the only parameter acting on the top workspace edge dip while changing almost no curve on the bottom edge. It is difficult to estimate and I don’t know how variable it is across various chain supplies.
So I summarized my criticality / measurability analysis and decided to bump a (short) zombie thread just to avoid duplicating that topic or otherwise highjack your topic.