Several pieces including wishbones and a wing for a drone are printed using the material jetting process.

Our Systems

Features and Specifications:

  • X-Y resolution of 500×600 dpi (42 microns in each direction)
  • Layer thickness of 16 microns (high quality mode) or 30 microns (high speed mode)
  • Multiple-material printing (rigid white material, flexible black material, and gradient mixtures between the two)
  • Build volume of 350x350x200 mm
  • Accuracy of 0.1-0.3 mm
Diagram showing the Objet PolyJet Process


Incorporating PolyJet 3D printing technology, the Objet Connex 3D Printer from Stratasys has multiple advantages including:

  • efficient speed
  • superior quality
  • high precision
  • wide material variety

The system offers more than 100 digital material combinations to choose from, including rigid to rubber-like materials, opaque to transparent materials, and materials with ABS-simulating performance.

A student works with the Objet PolyJet Printer
Object pieces printed in the DREAMS lab

Technology Overview

Material jetting is similar to inkjet document printing, but instead of jetting drops of ink onto paper, PolyJet 3D printers jet drops of liquid photopolymer onto the build tray.  Multiple print heads jet material simultaneously to create each layer, and UV light is then used to cure the layers.  These layers build up one at a time in an additive process to create a 3D model.  Fully cured models can be handled and used immediately without additional post-curing.  Along with the selected model materials, a gel-like support material facilitates successful printing of complicated geometries. Support material can be removed by hand or by a high-powered water jet station.

Material jetting is the only additive manufacturing technology that can combine different print materials within the same 3D printed model in the same print job.  Additionally, the multi-material printing process is capable of constructing functional assemblies, which reduces the need for multiple builds.

Active Material Jetting Projects