This document provides an introduction to 3D design and 3D printing. It discusses what 3D printing is, examples of CAD software including Tinkercad which is a free online 3D modeling program. It then covers the basics of using Tinkercad to design a model including importing shapes, moving and editing objects. The document explains that once the design is complete, it needs to be exported as an STL file and sliced using software like Cura to generate G-code that can be printed. Finally, it briefly describes different types of 3D printers including FDM and introduces 3D pens which can print 3D objects like a simple glue gun.
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Introduction to 3D Design with Tinkercad
1.
2. with Tinkercad
Introduction to 3D
Design
• The 3D Printing
• What’s CAD?
• Introduction to 3D Design with Tinkercad
and hands on project
• 3D Slicing Software
• 3D printer & 3D pen
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Inkjet/laser Printer:
2 Dimensional
What’s 3D printing?
-3D printing or additive manufacturing is
a process of making three dimensional solid
objects from a digital file.
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3D Printer:
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photo credit: u/ifirget85
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5. Examples of CAD Software
AutoCAD, 3ds Max, and Maya — commercial CAD software titles published by
Autodesk.
Blender — an open-source CAD, animation, and image processing application with an
active community of users.
SketchUp — a proprietary CAD application that runs in a web browser, formerly
developed by Google.
Tinkercad - Tinkercad is a free, online 3D modeling program that runs in a web
browser, known for its simplicity and ease of use. Since it became available in 2011 it
has become a popular platform for creating models for 3D printing as well as an entry-
level introduction to constructive solid geometry in schools.
Computer Aid Design
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6. go to your internet browser and type:
tinkercad.com/joinclass
Enter your class code: WVPD Z3T3 TW2Q
7. 1. How to bring in Shapes into Workplane
2. Orbit the object with a mouse or the view cub
3. How to pan, zoom in and out
4. How to move and rotating the object
5. Use the stretch command to stretch object
6. Raise / lower the object
7. Scale
8. Select Multiple
9. Delete
10.Undo
11.Redo
8. Properties of shapes
1. Select the shape and a properties window will pop out from there you can
change the properties of shapes
2. Learn how to copy, paste, duplicate, group and ungroup the object
delete undo
9. 1. Use the holes properties to create a mug
2. How to set multicolour and transparency
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After you’re happy with your design to
convert it to a gcode file you will need to
export it to a stl file.
The STL (Standard Triangle Language)
is the industry standard file type for 3D
Printing. All modern CAD (Computer
Aided Design) software allow you to
export their native file format into STL.
The 3D model is then converted into
machine language (G-code) through a
process called “slicing”
13. Cura
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After you have export
your design into stl file
import it to a slicing
software to generate
gcode
14. Type of 3D
Printer
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The seven different types of 3D printers
•Fused deposition modeling (FDM)
•Stereolithography(SLA)
•Digital Light Processing(DLP)
•Selective Laser Sintering (SLS)
•Selective laser melting (SLM)
•Laminated object manufacturing (LOM)
•Digital Beam Melting (EBM)
15. Sometimes called Fused Filament Fabrication (FFF) is a 3D printing
technology that uses a process called Material Extrusion. Material Extrusion
devices are the most widely available - and inexpensive - of the types of 3D
printing technology in the world today.
FUSED DEPOSITION MODELING (FDM)
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16.
17. 3D Pen
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Similarily, a 3D pen is a pen that prints in 3 dimensions by melting a
plastic filament that is push through a heating chamber where it is melted,
work just like the simple glue gun.
Some 3D pen can support different type
of filaments with the option to choose the temperature setting; cause depend
on the materials of the filament the melting point also varies, for example
PCL you need about 60°C and PLA you need 190°C - 205°C
18. 3D Pen
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So what’s 3D printing or also known as additive manufacturing? It’s a way of making things, it’s a form of digital fabrication. Which is using a computer control tools to make a physical object. Consider it in a inkjet printer, it’s a computer control tool working on 2 dimension, it has a ink in cartridge moving back and forth deposition ink and the second mechanism that feeds the paper. With these two movement combine we can get a 2 dimensional image
A 3D printer just add one more dimension and instead of ink it print of a physical substance like a plastic. It print one layer at a time creating a 3D object. It’s a little more complicated than that but that’s the general idea.
CAD mean Computer Aid Design and it refers to a wide variety of computer applications for user to create content. In today sharing we will be talking more about Tinkercad - a online 3D modelling program that runs in a web browser. It’s very easy to use and one of a popular platform for creating models for 3D printing as well as an entry-level introduction to geometry in schools
They work by a process where a spool of filament of solid thermoplastic material (PLA, ABS, PET) is loaded into the 3D printer. It is then pushed by a motor through a heated nozzle, where it melts. The printer’s extrusion head then moves along specific coordinates, depositing the 3D printing material on a build platform where the printer filament cools and solidifies, forming a solid object.