Try this. Go to google and do a search for “door on geodesic dome” and then click images. You will see a hodge-podge of varying door types, shapes and styles that struggle with “the issue”. The issue is creating a passageway for a geodesic form using materials designed for rectilinear forms. (Rectilinear is not a medical term.)
Virtually all of our constructions are made with 90 degree angles. Sure the odd builder will incorporate a 45 degree angle here and there but for the most part we don’t stray from the norm. By the way, this is an excellent metaphor for the world we’ve created as opposed to the world we want to live in. The artificial versus the natural. The technological versus the artistic. But I digress.
After struggling with this for a very long time and seeing other designs by geodesic builders it is clear there is no pattern for geodesic dome doors that has been adopted across the board. University of YouTube cannot save us here.
But now I think I’ve found something doable. It incorporates a “roofette”, a small roof-like cover. When you put a door at the base of the dome, because of the shape of the dome as you move your measuring tape up, that distance increases. As the picture shows, by the time you get to the top of the door there is a significant gap! What it needs is a cover that covers that gap and merges the angles of the dome and the angles of the roofette. I thought my solution to be rather clever albeit not an easy one. The cutting has almost driven me around the bend. :0
The first geostudio in my backyard and on most of my literature includes a picture of that door with the roofette. The feedback on the doorway has been positive so it's going to stay. You'll see it again on the dome going to Good Spirit Acres.
Gilles Leclair is the founder of GeoStudios. Somewhat eccentric, fairly environmentalist, politically aware, he believes the world should have more off-grid communities... many more.