Check out the video at http://youtu.be/30E9BOZP3UU . Going to build the XL next. Check out my blog at www.MakeThisReal.com .
how much did this end up costing you in total
Qual a espessura da chapa de acrílico???
use this bearing:http://www.aliexpress.com/item/LMF12LUU-12-mm-Long-Circular-Flange-Type-Linear-Bearing-CNC-Parts/1792431886.html
i use for mine with 10mm acrilic plate and is geat
better if you use short under the plate and long over the plate
There are several Ideas for the arms. This is what I foundhttp://www.thingiverse.com/thing:155596http://www.thingiverse.com/thing:288308http://www.thingiverse.com/thing:269462http://www.thingiverse.com/thing:84679
They are not all for MakerBot but for the replicas.