index

Principles Practices project management

Computer-aided design

Computer-controlled cutting

electronics production

3D scanning and printing

electronics design

molding and casting

programming

Computer-controlled machining

input devices

composites

interface and application programming

output devices

networking and communications

mechanical design, machine design

applications and implications

invention, intellectual property, and income

project development

final project presentations

 
           

 

 

 

Computer-controlled cutting

 

I wanted to work with soft and hard materials with the laser cutter. My first approach was to manipulate the Ethylene Vinyl Acetate (E.V.A) and hard cardboard.

VORONOI

So, I did a simple Voronoi and Delaunay (Rhino/Grasshopper definition) to carve and cut the  E.V.A. I used binder clips to do the first experiences in order to stabilize it on a 3D form.

Grasshopper Definitions here

Clipboard01

To do more complex and curved patterns I worked with a Rhino/Grasshopper definition from Co-de-it.

The definitions from Co-de-it here

In the first attempt I did not calibrate the Laser cutter for the E.V.A material and everything was cut and not carved! It´s very important paying attention to calibrate the machines for the material you are going to use.

20130209_225821
After this, I begin to design the 'clips' in 2mm cardboard. First I tried without success to do 'closed flat shapes', but the shapes did not 'clip' the foam to structure it, so, I left it for a while.
I return to the first linear Voronoi and Delaunay designs. I did some holes in the E.V.A and linear cardboard pieces to join with the foam. And the result was great!
At final research, I return to flat pieces pasting them in the foam. First I pasted with double-sided tape and that was a terrible result:
So a pasted them with glue. The result was some accidental holes when forcing the material to stabilize in a 3D form. So I concluded that is possible to work with E.V.A and flat cardboard pieces doing some holes in the E.V.A to stabilize it in a 3D form.
 
My final approach in this exercise was to develop these two sculptural forms ( see the videos) and to explore possibilities to my final project.

assignment laser cutting 01 from Alex Angelo on Vimeo.

assignment 03 from Alex Angelo on Vimeo.