Printable without supports. Since the holes are designed to provide a simple pressfit for 6x2mm magnets filament flow needs to be calibrated. Otherwise you maybe need to print the model scaled up or down by around .1 to 1 %. c:
If you feel you don't quite get a good fit it's also possible to scale the model up even more and just glue the magnets in with superglue.
Before pressing/glueing them in you should have a look at the overhangs in the holes. If some extrusion lines saged they need to be cut of carefully so the magnets sit below the surface of the slider. Otherwise the sliders movement won't be smooth.
Oh and lastly watch out for right orientation of the magnets. ;)
The author marked this model as their own original creation.