Continue working on your prototypes and make sure that you have at least 3 iterations from your previous prototypes. If you discarded a prototype you can propose a new one. Post the progress of your project 2 to your blog. Come prepared to present your progress in the next class.

BIO-TEXTILES: Coffee

Ingredients

Instructions:

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Mix the powder together with the glycerin and the olive oil.

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Add the water and use a mechanical blender to obtain an homogeneous solution.

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Place in a tray.

** Note that after it dries, it becomes quite thinner than now. Thus, you can put them quite thickly on the tray (if you want a relatively thicker “leather” that is less fragile and easier to make the shoe)!

Mix the Calcium chloride with water in a sprayer bottle. Spray the biomaterial on top and bottom with the calcium chloride solution.

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** If the solution is not sprayed evenly, strange textures will appear… 🪄🧙‍♀️

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Let the calcium chloride act for 5´ and rinse with clean water.

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Let the composite sample dry in a dry and warm place for one week.

Note: As the sample dries, it can become curved, so place it between two level surfaces and some weight on top so at the end we can obtain a really flat sheet （we didn’t do so here）

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updated on Dec 14: Yet eventually, these textures look super cool and unique on the bioleather shoe!!!

After it dries 😎:

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smells great… (coffee scent from the shoe can balance the foot scent haha😹)

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Due to the mold's size and the excessive amount of water used for thicker version, it wasn't feasible to place it in the dryer initially. As a result, mold began to grow on the surface. To address this issue, we sprayed the entire piece generously with alcohol and managed to dry it by carefully tilting and squeezing it into the dryer. Although it eventually dried, the areas where too much solution was sprayed developed unusual patterns.