3D printing was invented in 1984 by Charles Hull and uses computer-aided design (CAD) models to create solid, three-dimensional parts through an additive, layer-by-layer process. There are several types of 3D printing including stereo lithography which uses photo polymerization of liquid materials, and selective laser sintering which uses a laser to fuse small particles of plastic, metal or glass into a 3D shape. 3D printing has applications in industries such as medical, fashion, defense, and entertainment.

1. 3D PRINTING
SHAPPING THE FEATURE

2. CONTANTS
 HISTORY
 Printing
 Types of printing
 Application

3. HISTORY
In 1984 Charles hull invented 3d printing and coins the term “stereo
lithography”
In 1992 First 3d printer built by 3D systems
In 1999 First application of 3d printing in the medical field
- creating the human bladder

4. PRINTING
“3D printing” or “additive manufacturing” takes digital input in the form of computer aided
design (CAD) model anc created solid, three dimensional parts through an additive, layer by
layer process.

5. HOW PRINTING REALLY WORKS

6. TYPES OF 3D PRINTING
Stereo lithography (SLA)
In the main technology photo polymerization is used to produce a solid part from a
liquid.

7. Selective laser sintering (SLS)
 This technology uses small mites of plastic metal or glass powder into a 3d shape

8. Electron beam melting

9. APPLICATIONS
• Medical
• Fashion & retail
• Food

10. • Defense& space
• Pop culture
• Games & entertainment

11. REFERENCES
 www.wikipedia.org
 www.slideshare.com
 WWW.GOOGLE.COM
SUBBMITED BY :-
ANKIT SHARMA