I find the clip stitch markers to be too bulky and get in my way when working on socks. These are made for patterns where you place the marker on the needle, rather than on a stitch.
Made for sock knitting needles in 3.25-3.75mm sizes, but can be scaled up for larger needles.
The little storage box model is also available here: https://www.prusaprinters.org/prints/107695-tiny-friction-fit-box
The author hasn't provided the model origin yet.