Moss Aperture: Fabrication and Assembly

Milling

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Using the CNC router to cut out movable plastic components. Material: 48″ x 24″ super-clear 4mm corrugated polypropylene

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CNC pink insulation foam for reusable flexible mold

Reusable molds

Reusable molds

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Molding/Casting

Casting oomoo to make flexible mold

Casting oomoo to make flexible mold

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2-part mold clamped together

3 molds with different materials: oomoo25, oomoo30, and rubber

3 molds with different materials: oomoo25, oomoo30, and rubber

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Testing to Failure: Difficult to get thin, clean edges

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Cover

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MDF mold for thermoforming PETG cover
1 mound vs. 3 mounds

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CNC milling the MDF mold

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Thermoforming step 1: heating up the PETG (lasercut to the geometry)

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Thermal form action 2 – Vacuum on to fix the PETG piece in the shape of MDF mold

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Fabric 

Fabric sewed on back water layer - 8 pieces of water unit

Fabric sewn on back water layer – 8 watering units total

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Moss Preparation/Unit Assembly

Transplant soil-less moss type

Transplanting soil-less moss type

Transplant soil based moss

Transplanting soil-based moss

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 Blending mixture of clean fresh moss, distilled water and plain yogurt

 

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Result: moss milkshake

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Paint the blended “Moss Milkshake” on the Drystone surface

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Layered assembly

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Finished units: 4 moss types – 4 pieces of the same type – 4 pieces of different types

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On-site Assembly

First, we attached our steel substructure onto the main structure. The steel pieces, 3/4″ square extruded profiles, were perforated using the waterjet, acting as a track on which the individual plastic components slide open and close. Then, we assembled the 3 layers of our components: the water layer, the moss layer, and the protective cover. All three are secured with small aluminum binding posts.

Steel structure - fabric and back layer - front moss units

Steel structure – fabric and back layer – front moss units

Place units in order

Place units in order

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Completed

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Overall view, day

 

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