3. • Also known as “powder bed” or “inkjet” and “drop on powder” printing.
• First developed at the Massachusetts Institute of Technology and patented in
1993.
• Powder form material is used.
• A liquid binder is selectively deposited on the power bed.
4. Working
• First, a recoating blade spreads
a thin layer of powder over
platform.
• Selective deposition of the binder
like in 2D printing.
• Colored binder is used in color
binder jetting.
5. • Drop size = 80μm, good
resolution.
• When layer completes, blade
recoats
• Left to cure to gain strength
6. Advantages
• Bonding at room temperature, less distortion
• No support material
• Metal parts also
• Full colour prototypes at low cost
• Very large parts with complex geometry
