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Digital Design - Module 02 Semester 1, 2018 Shi Xiaolei

900781 Siavash Malek + Studio 18

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 are the subtractive fabrication, additive fabrication, and formative fabrication. The subtractive fabrication is a milling processes while additive fabrication is a converse process of milling. The milling can be axially (one-dimensional), surface (two-dimensional) and volume (three-dimensional). There are also four and five-axis milling system that enables rotation, which increase the range of CNC milling. Formative fabrication is a process of reshaping and deformation through mechanical forces, heat or steam. As Kolerevic states, “The new digitally-enabled processes of production imply that the constructability in building design becomes a direct function of computability.� Computer Numeric Controlled fabrication techniques work based on coordinates; therefore, parametric modeling would be efficient with CNC fabrication.


Week Three

Surface Creation






Fig.1.1 The script of iterating surface Fig.1.2 - Fig.1.5 Four iterations of surface The process of iterating the surfaces in grasshopper is by changing the number slider to choose different edge and point, which makes iteration quite simple to be done.


Week Four Panels & Waffle

These are two make 2D isometric view of the panelled surface from SE and NW view respectively. I choose these two iso views to show the different heights of the panels. The height of the panels are changing from low to high to create a spreading form.


These are two make 2D isometric view of the waffle structure from SE and NW view respectively. The waffle structure creates an interior space that changes from narrow to wide.

Week Four

Laser Cutting

During the process of creating the Laser Cut file, I learnt how to arrange the elements on a plane in grasshopper. In stead of doing each element individually, grasshopper enables us to do it as a whole just in a few steps. Labeling the elements is important for building it later.

Waffle Structure

Z axis curve

X axis curve

3D panel


Week Five






Fig.2.1 The script of boolean iteration Fig.2.2 - 2.5 The iterations of boolean form During the process of designing the boolean form, I iterate the design by using different attractor and scale. Different breps are used to create different kinds of openings or space.


Week Five


I choose this iteration to develop since the concept is to create different openings and space by using booleaned geometry. The geometry I choose is a hexagonal pyramid with a small one inside it. Since it has six edges, the negative space it creates would have many variations. There is a opening on the top of the model which is created by the booleaned geometry, which would influence the light and shadow condition of the model. It has four different shape of openings in the four direction. The openings in SE view are bigger; in NW view the openings are relatively smaller. These openings are created to control light. It can also be the threshold. Besides, due to the shape of the booleaned geometry that has sharp edges, some heavy and dark space is created. However, there are also more open and lighter space created by the intersecting of the geometry and the surface.

Isometric view from SE

Isometric view from NW


Week Six Task 01

Photo of the Task 01 Model Task 01 Matrix The first row is some iterations for the surface. I choose 1.5 because the opening created by the two surface is changing from small to large. The concept I would like to show is an interior space transiting from narrow to wide to give people different experience if they enter from different entrance. I try several geometry for the panel and choose 3d panel since I would like to manipulate its height to emphasize the dynamic feature of the surface. I choose the geometry in 3.5 since it has two openings which can be used to control light. I change the attractor point and scale of the size of the openings and height to generate different shadow. And I choose 4.5 since the light part changes from small to big which creates an atomoshpere changing from dark to lighter.


Week Six Task 02

Photo of the Task 02 Model Task 02 Matrix The first row is the iteration on the grid. I choose 1.5 since the height of the grid has a change in heights and it is not distributed evenly; there is extremely small and big volume. The concept of the model is to use the booleaned geometry to create different openings and spaces. Therefore I think the uneven grid can work effectively. Then I iterate the distribution of the geometry. However, I think the use of attractor point and curve makes the distribution a little messy. Since I still would like to show an order of geometry, I choose the volume centroid. As for the geometry, I use the hexagonal pyramid since it edges can create various spaces when being booleaned.


Week Six

Final Isometric Views


NW Task 01 Final Isometric

Task 02 Final Isometric




Process of creating surface panel

Try to rotate the opening of each panel to control light. But when unrolling the surface, panels are overlapped with each other.


Appendix Photo of model from different views




Model Making

Making the waffle structure.

Folding 3d panels. The waffle structure.


Dd module 02 journal template  
Dd module 02 journal template