Computer aided design
This week I tried to model my project, with number of programs,
DraftSIght,
Rhinoceros,and
123D DESIGN I installed theme on my computer And start to experiment with a 2D sketch of a ball .
![](img/ball8.jpg)
![](img/ball9.jpg)
The program I found most easy is
123D DESIGN
I sketch a half circle in 2D.
![](img/ball.jpg)
After that i use the option called revole.
![](img/will2.jpg)
Now I enter 180 deg and
Get a 3D half ball, then I use the shell option.
![](img/ball1.jpg)
Now I have only the shell of the ball.
![](img/ball2.jpg)
Now I work on design of the shell I choose circular pattern,And then enter the number of balls I wanted.
![](img/ball6.jpg)
![](img/ball4.jpg)
![](img/ball5.jpg)
The program is pretty friendly and in a day I got the hang of itAnd started to play with some weight design.
![](img/wt.jpg)
![](img/wt2.jpg)
![](img/wt3.png)
And then I just started playing with it a bit.
![](img/well1.jpg)
![](img/well2.jpg)
![](img/stf.jpg)
You can see the printed results
week 5.