Prototype 33

Practical

Based on: prototype 29
Focus: elastic band
Duration: 45 min.
Materials: prototype 29 + black & wider elastic band
Principle: by using a wider elastic band, the band stays in place
Prototype:

Photo & Video

Matrix

Prototype 32

Practical

Based on: prototype 29
Focus: fix the machine on the wheelchair
Duration: 15 min.
Materials: prototype 29 + zip ties
Principle: zip ties are tied around a bar
Prototype:

Foto's 

 

Matrix

Prototype 31

Practical

Based on: problem with prototype 29
Focus: preventing cookie from getting stuck
Duration: 1 min.
Materials: tape & piece of prototype 29
Principle: covering the gaps where cookie gets stuck
Prototype:

Photo

Matrix

Prototype 30

Practical

Based on: prototype 29
Focus: shooting cookie
Duration: 5 min.
Materials: prototype 29 + screwdriver
Principle: by blocking the elastic a little bit, the elastic gets enough power to shoot the cookie
Prototype:

Video's

Matrix

Prototype 29

Practical

Based on: prototype 27, prototype 28
Focus: distributing cookie
Duration: 2 hours
Materials: wood (lasercutted), elastic, needle & thread, aluminium profiles, profile locks, plastic gear
Principle: elastic stretches and gets enough grip to move when gear is turned
Prototype:

Sketching

Photo's & video

Laser cutted:

With finishing parts:

Movie:

Problem:

Cookie gets stuck in the curve.

Matrix

Material selection

Selection of materials:

Body => PMMA (polymethylmetacrylaat)

Bearings => standard?
or just 2 tubes

Belt transmission => elastic band

Prototype 28

based on prototype 27

3D model of the cookie machine prototype:

design for lasercutting 1:

=> holes are to large

design for lasercutting 2: