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3D printing is a general term for an additive manufacturing process whereby a digital 3D object is created by printing successive layers on material in the Z direction. 3D printing requires that the digital model to be a closed mesh so that the machine software can make a series of cross-sections from the model's surface limits. These cross-sections are then printed from a fine powder one on top of the other using an adhesive binder dispensed from print heads to define the digital model as a physical object.


| ZCorp 650 Powder Printer | uPrintSE ABS Extrusion Printer | |
|---|---|---|
| printer resolution | 300(X) x 450(Y) dpi | 300(X) x 450(Y) dpi |
| print layer thickness | 0.0035 inch | 0.010 inch |
| required file type | ZPrint ZBD (from a closed STL or VRML) | ZPrint ZBD (from a closed STL or VRML) |
| cost per cubic inch | $4.75 | $5.00 (Build Material and Support Material) |
| cost per minute | $0.03 | $0.03 |
| max printing area | 15.0 (X) x 10.0 (Y) x 8.0 (Z) in | 8.0 (X) x 6.0 (Y) x 6.0 (Z) in |
| color | Color Ink and Monochrome Plaster | Off White ABS Plastic |
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