Kossel Mini Prime Line Roller Carriage - With More Compression

*UPDATE*

Haydn Huntley created a new version of the carriage and has been kind enough to publish it. Please check out his carriage at:

https://www.youmagine.com/designs/improved-kossel-carriage-for-deltaprintr-or-graber-wheels-and-1515-extrusions

For the original carriage design that used cheap nylon rollers:

http://www.thingiverse.com/thing:215438

Note, his is meant for the Grabber rollers or the Delta Printer rollers.

At some point, I'll make a prime line version and