Inspired by the tank visualizer https://www.prusaprinters.org/prints/88302-tank-shaped-z-axis-motor-visualizer-for-prusa-mini for the Mini, I wanted access to the lead screws on the MK3S/+ to add my own take on a visualizer.
I remixed the z-axis top left and right to expose the lead screws. The holes are 11mm in diameter and can accept a shaft of 10mm through it with ease.
The parts are printed in PRUSA orange PETG, 0.4mm nozzle, 0.2 layer height, 20% grid infill, as per PRUSA instructions.
My tank visualizer: https://www.prusaprinters.org/prints/105223-tank-shaped-z-axis-visualizer-for-prusa-mk3ss
Added Crank visualizer: https://www.prusaprinters.org/prints/135819-mmu2s-visualizer
The author remixed this model.