Digital prototyping for design

Digital prototyping for design
For our first exercise in the 'digital prototyping course', we had to learn to prototype with biomaterials and laser cut the biomaterials created. Through this exercise, I got to learn from a trial and error method and instinct. We were provided all the documents needed to be independent in the creation of the biomaterials, such as - recipes, don't dos and materials. The first struggle that I encountered in the first batch was that we didn't let the solution heat up enough and therefore had problems solidifying. The second batch had a tendency of shrinking a lot while drying, so it was hard to estimate the final size of the material. The third batch, in which we started incorporating salt, in the goal of making a conductible biomaterial, shrank and cracked, but was conductible. The fourth batch was done with 50g of salt and is still drying. The next step would be to perfect the conductible recipe so that it crack less, is more flexible and the salt is more blended through the material. Overall, we did many tests with Ana and found different ways to connect a circuit to the artifact. See Documentation below


Bio Materials experimentation

1. Recipe used for prototyping - first batch without salt
Water 300ml
Agar Agar 10g
Glycerol 16g

Conclusion - we didn't let the solution heat up enough and therefore had problems solidifying, was laser cut with a pressure 3

2. Recipe used for prototyping - second batch without salt
Water 300ml
Agar Agar 10g
Glycerol 16g

Conclusion - shrinking a lot while drying, so it was hard to estimate the final size of the material, was laser cut with a pressure 4

3. Recipe used for prototyping - third batch with salt
Water 300ml
Agar Agar 10g
Glycerol 16g
Salt 10g

Conclusion - shrank and cracked, but was conductible

4. Recipe used for prototyping - third batch with salt
Water 300ml
Agar Agar 10g
Glycerol 16g
Salt 50g

Conclusion - still drying

Documentation
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You need a scale, mixing bowls, agar agar, glycerine, water and pigment for the Agar Agar recipe

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You will also need a mold (btw this is NOT a good mold)

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Agar Agar 

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Glycerine

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Pigment to mix

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Start adding ingredients using the scale

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Heat up and mix, be careful it doesn't boil or solidify

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Wait to cool down and pour

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Add pigment

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*Mix mix mix*

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Let dry for 5 days

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Red batch - Agar Agar
Transparent batch - Agar Agar and salt

Digital Fabrication
Using the machines on our own for the first time was an interesting experience. It was a bit more stressful for sure, but it made me ask myself the right questions when using the machine on my own. I think the main challenge was understanding the power that the laser needed to cut through each material, as they were from different thicknesses, texture and sizes. I think it was super cool to be able to use the laser cut in a trial and error mentality, as I had never cut a biomaterial in a laser cut machine. I really didn't know what configurations it implicated.

Link to repo - https://github.com/FloraRoseBerkowitz/ChallengeRepo.git

Documentation
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Test 1 with laser cut - not enough pressure

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Result of Agar Agar recipe laser cutted

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Result of Agar Agar recipe laser cutted

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Enough pressure. Was cut very smoothly and not burnt.

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Result of Agar Agar recipe laser cutted

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Result of Agar Agar recipe laser cutted

Biomaterial experimentation

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Slide 1

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Slide 2

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Shape the artifact could be taking for prototyping

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Initial sample tested with a led and a 9 volt battery

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Second sample Agar Agar and salt recipe tested with two 3v flat cell batteries and a led

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Second sample Agar Agar and salt recipe tested two leds and a 9 volt battery

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Testing out filaments

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Testing out filaments

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