About this 3D model

this is the xbar design and extruder holder i have for the Mendel catalyst. i hope it is useful for those that want a low friction fingered design mount without bearings. maybe makerbot may make something cheaper than cupcake? sigh.... just dreaming.... here is a video of it in process and a video of it trying to print something.... http://www.youtube.com/watch?v=FGsS9VboQ8E http://www.youtube.com/watch?v=HdgCeL_MoGA