ZEMCH 2015 - International Conference Proceedings | Page 452

Figure 2: Custom design approach stage diagram.
This stage outcome is the presentation of ideal design prototypes, where the variety of these will
depend on the users specific context and number of inhabitants. Therefore, the following formulas D(n)A and D(n+1)A can be defragmented as follows:
• D: design
• n: prototype version
• A: this letter represents that the design is in the “custom design approach” stage.
If number of prototypes is variable they must be identified with consecutive numbers, which allow all prototypes to pass through the stages independently, e.g. D1A, D2A and D3A, where D1A is
a house for 4 inhabitants, D2A for 6 inhabitants and D3A is for 6 inhabitants but 1 has the necessity
of wheelchair facilities.

Standardisation
This stage has the aim of economise the prototypes. First, the prototype is simplified by taking off
of the design all the features that can be easily own-constructed by users after occupancy, trying
to visualise the presented design DnA as an utopic design that will be achieved with the passage
of time not only as the product that will be delivered; otherwise, there is the risk that the product
will be replaced by one better or be simply disused (Tony Fry 2009).
Then it has to be modularised, which means defragment it into components and sub-compo-

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ZEMCH 2015 | International Conference | Bari - Lecce, Italy