This project is my idea. I know many people use the Stretch Film for different things.My added idea makes it quick to build. ( Will be described later. )This greenhouse 3 m x 3 m about 2,5 m high.The film is dual layer with 5 cm air gap.1,5 Stretch Film was used. About 15 USD.This building is too di... By: LongJohnHolmes