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Digital Design - Module 02 Semester 1, 2018 Harry Waldron 913580 Alex Wong, Studio 10


Week Three

Reading: Kolerevic B. 2003. Architecture in the Digital Age

Kolerevic described three fundamental type of fabrication techniques in the reading. Outline the three techniques and discuss the potential of Computer Numeric Controlled fabrication with parametric modelling. (150 words max)

The three fundamental type of fabrication techniques Kolerevic describes are two-dimensional fabrication, subtractive fabrication, and additive fabrication. Two-dimensional fabrication, or CNC cutting, involves the use of cutting technologies such as laserp-beam, plasma-arc and water-jet, and a two-axis motion of the sheet material relative to the cutting head. Parametric modelling has provided all types of CNC fabrication with the potential to read instructions and fabricate parametric models more efficiently. Subtractive fabrication, or is the removal of a volume of material from solids using chemicals or a drill bit that can move on the X, Y and Z axis and thus is one way of three-dimensional fabrication. Additive fabrication is another method of three-dimensional fabrication, where material is added layer-by-layer to form a solid.

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Week Three

Surface Creation

The surface script was one of the first Grasshopper scripts I had written. The introduction to parametric modelling and the ability to change the surfaces as I wrote the script was very useful. I wanted the panels to have one point where they touch but otherwise act independently from eachother, as during this stage I was mainly making an assumption of what the inbetween waffle structure could possibly look like.

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Week Four Panels & Waffle

The two panels I chose share a pyramid shape, one solid and one perforated using Weaverbird. Using a point attractor I made the pyramids point towards one end and stretch out in certain points of interest. In retrospect I think using the Lunchbox tools would have been more beneficial in creating an easier to make model for the perforated panels, as I could not make the Weaverbird style for my physical model.

The waffle structure of my model is very interesting because of the concaving nature of the surfaces I made. As a result of the script, the X-axis fins have a large curve to them and thin out at opposite ends. There is a twist in the shape that is accentuated by these curving fins. The waffle structure was successfully modelled physically but I would have liked to have had panels to attach to it.

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Week Four

Laser Cutting

Creating the lasercut file for my panels was a failure. Due to the limited size of the model and the Weaverbird panels being very thin, they could not properly be lasercut and instead had to be put on the etch layer (red). The solid panels were successfully lasercut however they were mirrored after folding and gluing together so they could not work with the waffle strucuture. The waffle structure was the only successful part of this module that was lasercut and put together.

I would like to redo the model for my portfolio after Module 3 and sorting out how the lasercut will be oriented and cut is definitely where I will need to improve for next time.

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Week Five

The boolean script was very easy to understand and through this section of the module I learnt the importance of organising scripts in Grasshopper, especially as they get longer. Having an organised script made it easier to adjust the attractors for the grid and the brep used for the cutout. The booleans I were most interested in were the ones that took a large amount out of the cube solid, like the sphere boolean. However after creating my own star-pyramid shape, I found the angles and jagged edges much more interesting and fitting with my pyramid panels.

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Week Five

Isometric

I chose to use the star-pyramid shape as the cutout for my boolean model because I found the angles and jagged edges work well with the pyramid panels I chose in the previous model. These specific corner of the boolean is a good example of how interesting sharp points can be when taken out of a solid. The spaces that are created are crevice-like and there is a natural mineral or crystaline look. There is a lot of variety because while some thresholds are star-shaped and symettrical, there are other much more rough and random holes and openings.

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Week Six Task 01

Task 01 Matrix I knew from the start of the module that I wanted an intresting waffle structure, which would come from the inital lofts. I chose the third loft because it provided the most intresting inbetween space, while also being plausible, unlike the fourth iteration. The point attractors are located in the corner of the lofts because I knew I wanted the point of interest to be at the end of the loft. I chose to combine the first and second panel iterations because they were similar, and the perforated pyramids were not as over-complex as they are in iteration four.

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Week Six Task 02

Grid Manipulation

1.1

1.2

1.3

Key

1.4

{0,0,0}

Attractor / Control Points (X,Y,Z) Grid

{69,149,150}

{94,135,144}

Cutout Brep

{105,107,124}

{74,22,46} {113,-1,0}

Shape Type Shape Scaling

{Attractor Point Location + Random Attraction}

{Random Attraction}

{Attractor Curve Location}

{Attractor Point Location}

2.1

2.2

2.3

2.4

{Sphere}

{Diamond}

{Paraboloid}

{Star Pyramid}

3.1

3.2

3.3

3.4

{{208,111,0} {80,-92,87} {146,7,43}

{Consistent Scaling}

{Attractor Point Location}

{Attractor Point Location}

{Attractor Point Location}

Task 02 Matrix The boolean grid was very fun to mess around with and all the iterations I came up with were interesting so I chose one at random. The next decision was what shape I would use to cutout the solid, and after making iteration two I went further and made a star-shaped pyramid that I turned into a diamond. The scale was the final design choice and I went with the fourth iteration because it took the most material out of the solid cube and made more interesting cutouts. Unfortunately the 3D model has not yet been printed.

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Week Six

Final Isometric Views

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Appendix

Process

Colour-coded panels and their respective unrolls to make model making easier. I like to do this with my Rhino models when I’m unrolling but unfortunately it didn’t really help this time.

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Appendix Process

Failed panel making. I was not happy at all with the outcome of the lasercuts and folds and am definitely going to change the panel design when I redo the model later. I have learnt a lot about my model making skills in this module and what I need to improve on: mirroring before lasercut, tabs, ensuring the panels can actually be cut, and thinking ahead about how they are going to fold.

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Module 2: Journal  
Module 2: Journal  
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