Presented at the Woodlawn Library, New Castle County Delaware.

1. John Abella

2. Basics
 Additive process, not subtractive.
 We build up material in the exact shape,
rather than carving the piece out of a
larger block.
 Additive = less waste, less mess

3. Basics
Subtractive Additive

4. Basic Types
 Fused Desposition
 Granular Material + Binder
 Photopolymer

5. Fused Deposition
http://en.wikipedia.org/wiki/File:FDM_by_Zureks.png

6. Plastic Types
 Common:
 ABS (Lego plastic)
 PLA (Biodegradable, corn-based)
 Uncommon:
 PVA
 Nylon
 HIPS
 Polycarbonate

7. How Much?
 Kits:
 $600 or less: Solidoodle / PrintrBot
 $1500 or less: Ultimaker / MakerGear M2 /
Type A – Series 1 / 3D Systems Cube /
Afinia Type H
 $2200 or less: MakerBot Replicator 2
But there’s another option…

8. Print Your Own
 RepRap.org

9. Print Your Own
 RepRap.org
2007

10. Print Your Own
 RepRap.org
2009

11. Print Your Own
 RepRap.org
2010

12. Print Your Own
 RepRap.org
2012

13. Software
 Design software:
 Free: Sketchup, Inventor Fusion
 Open Source: Blender, OpenSCAD
 Paid: Alibre, Q-Cad, Solidworks
 Operation Software:
 Free: Makerware
 Open Source: ReplicatorG, Slic3r, Pronterface,
Repetier Host
 Paid: NetFabb

14. Software

15. Software

16. Software
 Lots more that we use regularly:
 Meshlab
 Pleasant3D
 Meshmixer
 OmNomNom
 Skeinforge

17. Find Me
 john@abella.net
 www.abella.net
 @johnabella
 flickr.com/jabella