Finally! There it is, a linear bearing x-carriage for the Orca 0.3 (and possibly also 0.2, please report if you used it succesfully on your 0.2). I wanted to create the most simple solution to fix the x-carriage problems on the orca 0.3. On my printer the x-carriage does not fit too optimal. Also, the x-carriage is hard and time consuming to assemble. Furthermore it doesn't even fit, because it hits the metal on both bottom sides.This new re-designed x-carriage only consists of one plastic item. The lm8uu bearings will snugly fit in the holders and on the smooth rods. And last but not least, you can easily fit the x-belt in the holder.I did 2 tries now to print the carriage, but both times I had some problems with my printer. I will try to print again tomorrow.Keep yourself posted on my profiles and thingies on thingiverse. As soon as this bearing is finished I will start working on a y-axis linear bearing and also an z-axis linear bearing!BTW I bought the cheapest linear bearings from ebay: http://www.ebay.com/itm/290626116456Update version 5:Update version 4: