From what I can see these are the same as the 80/20 track you can buy. An alternative might be the http://www.kickstarter.com/projects/ttstam/openbeam-an-open-source-miniature-construction-sys/posts project on kickstarter or the MicroRAX ( http://www.MicroRAX.com ) An alternative to a smooth stepper...

Maybe this would work - http://www.ecklersoft.com/.

It has the USB to parallel converter and software works with Mac.

I wonder if this mount http://k2cnc.com/shop/proddetail.asp?prod=RM-B-Colt would work on the new Z-Axis?

I think I understand now. The extruder is the part that feeds the plastic filament. The hot end actually melts the filament for placement. So, Greg Frost has created an extruder which can be seen at... http://www.thingiverse.com/thing:8252 I don't know how it would be incorporated into aQuick CNC. Y...

I was kinda thinking the same. If you look at the pictures of the Printrbot itself, personally I can't see anything doing the feeding. Of course I am a complete newbie to extrusion. I have heard both terms: Extruder and Hot End. I don't know if they are interchangeable or not. I wonder if the Hot En...

Would it be possible to use the Ubis Hot End from the Printrbot shop?

http://printrbot.com/shop/ubis-hot-end/

Thanks AJ. I had read that in the FAQ. What I was hoping to get was a list of part numbers for the items from McMaster-Carr. They have a huge number of 3/4" shafts, ACME lead screws etc in various lengths and/or pitch and I was wondering what the exact measurements of each of the items would be. Par...

What are the recommended end mills for different materials. eg. MDF, Plywood, plastic, hardwood, aluminium, melamine, fibreglass, carbon fibre etc. How about profiled mills? eg. rounded corners for a plastic case. And for flat bottoms? eg. milling out an area inside a plastic case part or making fla...

I am looking at the $500 pledge level but would like to know what the list of parts would be to build the complete CNC machine.

Also, what would be the ball park cost of a kit to build it once the $500 reward is in hand?