Linear motion carriage for 2020 and 2525 extrusion.
Printable bearings with 4.5(.177cal) bb balls.
Or use purchasable roller bearings such as what are on the ender3.
Designed for use with a spring and bolt to hold the Rollers at pretension without binding at high speeds
When paired with quality extrusion this is a very affordable, versatile, and printable carriage for precision linear motion.
These are used in the current design of the LatchKey Labs Mill_02, which will be released later this spring!
Amazon Basics PLA
Print all parts Upright or you will need internal supports for the tension-er guide on the main body
If you print horizontally you may need to sand the guides for a tight, but not stuck, fit