Designs for the Lilypad City

Early Designs

At the beginning of this project we did a lot of concepts before we had decided on a finalised location for out city.

The designs I did were based off a lot of the things I looked at in terms of inspiration:

This floating island was inspired by the island of Mont Saint-Michel and Moebius’ interpretation of it having torn away from the sea. The base of this city was veery simple and would act as landing bays for importing and exporting things from the city.

Another of my designs with a similar base was inspired by the Parrocchia Dio Padre Misericordioso in the outskirts of Rome. I liked the idea of incorporating more modern styles of architecture in our city while still being inspired by Rome’s past. This design would have meant multiple cities to accommodate the population.

Inspired by Laputa: Castle in the Sky and Legend of Zelda: Skyward Sword, I wanted to do a design of floating islands. In this design the different areas would be connected by bridges, which hold a lot of significance in Rome as they are built and commemorate events.

Final Design

final concept i guess copy

After a lot of deliberation, we finally came to this design. We knew for a long time that we wanted our design to be on water but this came with its own set of challenges.

In order to keep the city afloat while being able to cope with the weight of those living in the city, we decided to split Rome up in to a series of floating cities, each with a capacity of 200,000 people.

Since Rome has a population of 2.6 million, this would mean a series of 13 cities with a size of 98 km, we felt that this size city would be difficult to keep afloat and so we incorporated a propeller to the bottom of our iceberg-inspired shape. As well as this propellor, Jack found information on a metal composite which is so light that even if a boat made from this were to be damaged structurally, it would still stay afloat.

As well as this we looked at sacrificial protection, a method used by ships to prevent the ship from rusting. In this process, zinc pieces (sacrificial anodes) were places around the exterior of the ship. Because the zinc has a higher voltage in the water , the current is more likely to flow from it that from the propeller of your ship, meaning that they would rust before the important parts of the structure, and could be replaced a lot more easily. With this method, all aspects of the structure you want to protect must be coated in the zinc, which, for us, means all of our city except for the glass.

Sections of the City


The final design of our floating city is made up of 3 main sections:

  • The Top: The top of our city is encased in a glass dome to protect the city during extreme weather conditions. It a spinning edge which generates wave energy as well as having solar panels, this is where the energy for our city would be generated. This section has lowered sections which allows sea water to enter and be purified, it it then pumped throughout our cities. As well as this, the main tourist areas would be with buildings inspired from ancient Roman architecture would be in this area.
  • The Middle: The middle section is the location of the city’s living areas. There is a series of elevators and stair cases in the centre column. There would also be a lot of shops etc. on these levels to accommodate those living here.
  • The Bottom: The bottom section of our city is where the power plants and waste disposal plants are situated. As well as this the propeller to help keep the city afloat is attached to this section.



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