Week 2 - Computer-Aided Design

Contents

3D

Before FabAcademy 2016, I knew a little about SketchUp and used it to draw something without too many accurate curves. Hence, I would like to do more practice in modeling.

Antimony

Antimony has an awesome user interface in Mac OS X but not rendering engine. Following this demo by Matt Keeter, I tried to complete a classic training of teapot first in order to being skilled.

Based on Python, we could easily change parameters even in math.

Freely move to wherever you want.

Easily make shells in "copy" and "difference".

The Lamp

After two nights fighting with this teapot and knowing how to use Antimony, I made my final project lamp head just in 20 minutes.

Fusion 360

By Autodesk, Fusion 360 seems being more friendly than other CADs and you even could simulate CNC tool path. I followed this tutorial and another official one at the beginning. They did help me find out a way to know how to deal with so many buttons. In SketchUp, although you do not have to choose specific plane to draw on, however, which means less accuracy in your CAD.

Trying to make a sphere and "press pull" cylinder (or "cylinder" tool object)

But after that, it came up with a big problem which I do not know how to move a sphere to align with another object. (sphere face to cylinder outline) So I just used sketched circle to "revolve" and to generate a sphere at right position.

Sketch and cut

Make a shell

At the time, I finally found out the tool which I could use to click on the right plane I need...

You could capture model to raster images anytime.

Result

One More (interesing) Thing

Fusion 360 not only can save your file in final version but also it can store each step in your editing timeline. There is an useful version control system that you could even make a branch and merge with others in Fusion 360. Please check here. Amazing!

2D

Inkscape

Inspiring by Fish eye bottle opener on Thingiverse, my plan was that I wanted to redesign it with Inkscape so that I could laser cut it later on.

It would have taken much time to learning B├ęzier curve, but it is really usful tool.

Files