Newegg offers the XYZprinting Da Vinci 2.0 Duo 3D Printer, model no. 3F20XXUS00H, for $649.99. Coupon code "EMCARKR23" drops it to $499.99. With free shipping, that's the lowest total price we could find by $149. This plug-and-play 3D printer features a 5.9" x 7.8" x 7.8" build volume, dual extruders, and 100 to 400 micron resolution. Deal ends April 16.