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Green Renewable Design
Cardboard from old boxes
Cotton from old quilts
Stainless steel 304
Hot melt glue gun
Use the cardboard to build the a hollow hexagonal prismoid outermost shell without the top, combined by tapes.
Put a layer of cotton inside to reduce heat loss
Place aluminium foil on cotton, each piece is adhered by hot melt glue
A piece of stainless steel is put in the bottom of the cook, covered by aluminium foil inside the cotton and cardboard
Cardboard is made from trees. It can be used for boxes or models. It can be used many times, and in many ways. After being abandon, it can be recycled and used again.
Cotton is acquired from the plant cotton. Due to the multiple functions, it can be used in many ways even though it becomes used.
Aluminium foil is produced from metals such as tin and aluminium. It can be reproduced in a recycling plant.
Stainless steel is also a kind of alloy. It can be melted in a furnace and put into a mould to produce another one with a new shape.