Wobble X by MirageC is amazing. The CNC machined version has a nice finish and also works well
BUT I'm too broke to buy a few pairs of it So, I designed a similar model based on a wobble x mock-up!
ENJOY
PRINT SETTING
0.4mm nozzle
0.16mm layer height
40% infill, 4 perimeters
At layer 27 and 40, you need to reduce the wall count to 3 else, the overhang for the pins would crumble
Good example
Bad example extrusion starts from the overhang, causing it to sag a little
Materials
For this part only
"SUJ2" 4mm bearing ball * 4 Some other materials like SUS304 are not magnetic. And this bearing ball needs to be magnetic. that's the whole point of inserting magnets. it prevents the ball from escaping. I've chosen SUJ2 because it is readily available as bearing balls and is magnetic!
m3x10mm dowel pin * 8 I'm not sure about the choice of material for the pins It should match the hardness of SUJ2 to prevent wearout. But since the load is not that high, Stainless steel pins work just fine.
6mm 2t magnet * 4
you also need adapter pieces, don't forget to count them as well!
this is how the pin looks after 500 hours of printing
It has some wear, but the ball rolls just as smoothly as it was. But, You should keep in mind that pin wears.