This is a Linear bearing LM8UU X carriage to allow quick change of Extruders and other tools on your 3D printer. It has compatible bar spacing for Mendel, Prusa and MendelMax

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Description

Originally designed and shared March 20th 2012 -

Update 21st - March - Added Greg/Wade extruder adapter plate and all the Sketchup files so you can make whatever adapter plates etc. you may need.
Added 31st March - Belt clamp and Low profile catch together - as requested.
Both parts print vertically, join them together with 20mm M3 bolts.

The Linear bearings slide in and secure with a zip tie

It has a belt adjuster on one side of the belt clamps - see photos

The Extruder is based on Greg's excellent design, with a few mods and the extensions allow it to fit on the Quick-Fit X Carriage.

You need two x M4 (13mm) 624 bearings for the Quick-Fit Lever.

It also has a fan mount on one side.

It's designed to be expandable (easily made wider) by adding spacers between the two halves - without taking off the printer. - just in-case you ever need more room to fit triple extruders !

Check out my Blog post for further details -
richrap.blogspot.co.uk/2012/03/mendelmax-quick-fit-x-and-quick-fit.html

A Video of it in operation can be seen here -