Xian Living House - document assignment 3



Xian Living House


The original building:
https://gegao214.blogspot.com/2019/06/xian-living-house-project-matrix-3.html
More model images:
https://gegao214.blogspot.com/2019/08/the-fabrication-assignment-2.html

The process of model making is not difficult. The shape and structure of this model are very basic. The deisgn point of this building is those moveable boards at the inside. And this part I used 3D print to make it out because of its scale. And it is my first time to use 3D print for making model, so some little errors happened during this process. The model which is produced by 3D print has 1-2 mm range of errors, and becuase it has support at the bottom, you should use sand paper to sand them before you put them into your model. Also, it has a limitation of the thickness. The scale of my model is 1:200, therefore, the thickness of those moveable boards is 2mm and it has a hole for put axes so the thinnest area is less than 1mm, you should consider the limited thickness very carefully before you use 3D printer. Because of the thickness, it will be broken possibly when you sand it. Another point, when you use some softwares to make a digital model like rhino and Sketchup. The spacing between each part is very precise, but 3D printing cannot be such accurate like softwares. So to avoid this situation, it's best to leave the margin of error when preparing digital files. 

Software:
Rhino6.0, Vray4.0

Time:
Digital file: 7 hours
3D print: 6 hours
Laser cut: 45mins

Technique:
Laser Cut
3D print

Material: 
Plywood boards 450x900mm x1  
PVC

Total cost:
Laser cut: 65 dollars (boards & time)
3D print: 18 dollars
UHU: 12 dollars




Physical model for overview




Render & details






These two images present what structure I used in this model, On one side of the connection is a square with a sharp edge, while on the other side is a regular arc. This is to allow the board to rotate smoothly and to be more stable when it is in the vertical status.


Process of Physical Model 

















This model is not difficult to make actually, but because of the first use of 3D print, so some parts of the process will be inexperienced. Smoothing the edges of a 3D printed model takse much time and is not accurate after all. So it's better to start with leaving a margin of error for avoiding waste time later.






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