How to make a nearly smooth carriage...a smooth carriage:

How to make a nearly smooth carriage…a smooth carriage:

Is there a reason not to use self-aligning bushings? thats what i use in my printer, zero fuss.

Cost and availability. If you want a zero maintenance solution, IGUS doesn’t require lubrication.

Is IGUS anygood looking to make a printer with their slides

the ones i use are igus self lubricating self aligning bronze bushings. seem to be no less available than anything else.