This triangulated tunnel (Canary Wharf style) greenhouse is my favorite shape

One day I am going to build it with the double-ring hubs as seen on this website

It is nice that the author of the above video provides the PDF file for this type of tunnel greenhouse which I also list here:

I have found a way to build the external cover with polycarbonate sheets and inner layer with PE films. Dividers will be built together with the inner film.

Author: Aubrey Zhang

Since obtaining PhD in Electrochemistry in 1994 (University of Calgary), I have been through many things, such as post-doctoral research work using STM to study atomic level electrodeposition of Cd on Ag(111) surface at UIUC (Urbana-Champaign at University of Illinois), lifetime free-lance preaching, CEO of TheoLogos Publications and PyraPOD Global Inc, former salesman of diamond tools for Superprem Industries, former director of DiaSolid Kitchen & Bath, finishing carpenter, working for CRE Green, a solar company in Kelowna, BC. After all these experiences, my life motto is this: sharp mind must combine with skilful hands. With my wife Margaret we have three kids - Riley, Grace and Anita.

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