Geekdeal via eBay offers the Solidoodle 4 Desktop 3D Printer, model no. SD-3DP-4, for $649.99 with free shipping. That's tied with our mention from last week as the lowest total price we've seen. (Outside of the price below, it's a current low by $49.) The printer allows you to create plastic parts up to 8" x 8" x 8", with a resolution up to 0.1mm.

A close price: Solidoodle offers it for $599 plus $54.40 for shipping.