For the ones interested in Scrapmetal legs easy fix : just swap the left 'knee' part with the right one, you will have to turn them 180° too. Then you will get Scrapmetal with full range chicken legs (if you wish ) and a better standard knee rotation. Nothing changes when legs are straight or in alt mod. Only 3 screws to remove on each bottom leg and no complex mecanism hidden behind. I do not have the original SS to compare, but I guess the parts have been reversed during Mechanical Team assembly.