I use McMaster a lot for work. For products without a model listed on the page if you shoot them an email there is usually a model sitting in your inbox in under 15 minutes. One time I accidentally put the wrong part on an order, which I realized about 20 minutes after I submitted it. I called to mo...

Wouldn't you want to pause after you drop the bed and retract?

Autodesk Inventor has some excellent assembly design tools and is free for students, educators, and mentors.
http://www.autodesk.com/education/free- ... ofessional

...they are on the honor system about the student bit.

I have been lurking in these forums for a couple months or so while I was narrowing down my choices of what 3D printer to buy to replace the workable-but-not-great one I built a couple years ago. I finally settled on the M2, and after I took the frame out of the box today there is no doubt in my min...