Door, Base and Window constructions of the GD27 dome kit.
The half triangle tutorial is here:    • Cutting molding and making jigs for t...  
And the stop frame build video is here:    • Timelapse geo dome greenhouse build  
Plans to build this geodesic dome greenhouse are available from Geo-Dome here: http://www.geo-dome.co.uk/domeshop/ar...
It is 6m (19ft 6") diameter timber framed dome with a horticultural polythene cover, I would allow about two weeks to build this from scratch