Hello! I am Ryan Schmidt Research Scientist at Autodesk Research – Head of the Design & Fabrication group I make 3D design tools Like meshmixer, the software.

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Presentation transcript:

Hello! I am Ryan Schmidt Research Scientist at Autodesk Research – Head of the Design & Fabrication group I make 3D design tools Like meshmixer, the software we will be using today

What is a “3D Model”? Virtual representation of a physical object Doesn’t necessarily look like the physical object Representative shape / structure / etc

3D Models

3D Printing Fizgig’s GargoyleFizgig’s Gargoyle, created by colinfizgig

2D Images - Pixels

3D Model - Triangles

meshmixer Made by Autodesk Free for Windows and Mac OS X

Action Bar Library Bar Properties Bar 3D Viewport

Loading a model in meshmixer.OBJ,.STL,.PLY, ….MIX

Action Bar Library Bar Properties Bar 3D Viewport

Loading a model in meshmixer.OBJ,.STL,.PLY, ….MIX

Rendering Turns 3D things into an image “Camera into virtual world”

Camera Controls This is how you move around the virtual world Analogy to physical camera – Pan – Zoom/Dolly – Tumble/Orbit/Turntable

Pan / Translate “Moving”

Zoom / Dolly “Scaling”

Tumble / Orbit / Turntable “Rotating”

Camera Controls in meshmixer

How do we make the triangles?? In 2D Images… – Manipulate individual pixels – Use filters, brushes, etc… Can place triangles manually (crazy!) – This is how many artists work Use higher-level tool

Push-and-pull

Smoothing / Fairing

Booleans

3D Sculpting

Dropping Parts

Drop Part Tool

Limitations If you see this, you can’t drop the Part there…

Smoothing

Smoothing Brush Tool

Selection Tool

Extrusions

1212

Smoothing 1 2

Creating a Collar

1)Select 2)Smooth Boundary 3)Extrude – Set Direction to Normal 4)Remesh 5)Smooth – Maximum smoothness

Sculpting Brushes

Exporting Models Two formats OBJ – Format for saving your model STL – Format for sending to printer

3D Printing

Limits of 3D Printing 1)Print volume 2)Overhangs 3)Thickness

Print Volume Print Time is proportional to 3D Volume and Surface Complexity To print in 30 minutes, your objects will have to be SMALL and FLAT

Overhangs Print is from Bottom To Top “Overhangs” need to be supported

Size / Thickness 3D printers have limited RESOLUTION

Ready, Set, MAKE!

Other Free Tools 123D Sculpt on iPad 123D Catch 123D Make SketchUp Sculptris NetFabb MeshLab

Mesh File Formats OBJ STL DAE/Collada PLY,3DS,FBX,…

Colors Materials/Texture UV Maps

Creating a Collar Select Smooth Boundary Extrude Direction: Normal Remesh, Smooth