Speed, Jerk and K-factor test square

thingiverse

This test showcases how printers handle corners when printing at high speeds. It's designed to be larger than most tests because reaching top speed requires a substantial straight line. The current standard size of 1x1x1cm or 2x2x2cm doesn't allow for this. A 100x100mm square is used instead, where two sides are uninterrupted and the other two have a 2mm indent every half segment. Pictures demonstrate what happens when feed-rate changes from 100 to 600%, fan speed (40% or 100%), different jerk settings, K values, and how corners form at 90 degrees with these settings. Using my direct drive Aero extruder clone, I found that setting Jerk-X=5, Jerk-Y=6, and K = 0.05 at 300% speed results in smooth corners without bulging or over-extrusion. Ringing is also minimal. To conduct this test, all settings were manually adjusted on the control box every 1 cm for a clear comparison between five different sections.