Backlash
fleeting- External reference: https://3dprinterly.com/what-is-3d-printer-backlash-how-can-you-fix-it/
What Is 3D Printer Backlash? How Can You Fix It? | 3D Printerly
problem of backlash comes about when the movement in the system has slack from moving parts such as rods, belts and bearings. The parts that are flexible are the worst because they very slowly change in their flexibility over time.
— https://3dprinterly.com/what-is-3d-printer-backlash-how-can-you-fix-it/
good clue into identifying backlash is when infill diagonal lines don’t meet up with the perimeter lines.
— https://3dprinterly.com/what-is-3d-printer-backlash-how-can-you-fix-it/