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The Nearodesic designs (Near-geodesic) were designed by Edmund Harriss. His website goes into much more detail of where the design came from and the maths behind it. Here is another page going over the Tridome. A team of engineers did an entire Construction Analysis of the Tridome.

Here is a small summary document of Tridomes and Quaddomes: https://library.uniteddiversity.coop/Ecological_Building/Hexayurt_Family.pdf

Morgan Engel has construction details of a Quaddome on his website, as well as details for making Scale Models

Hexayurt project/Master List of Designs for more details
Technical Name H Name Total sheets Nickname Build Score # People Sqft Footprint Dia (ft) Walls (ft) Height (ft) Waste Notes
Tridome H21 21 Tridome 5.79 8 458.00 25.83 6.08 10.00 No Roof dome normal, wall half domes at 164 deg
Tridome 4ft Stretch H25 25 Tridome 4ft Stretch 7.33 10 556.00 30.00 6.08 10.00 No Roof dome normal, wall half domes at 164 deg
Tridome 8ft Stretch H29 29 Tridome 8ft Stretch 10.57 12 648.00 33.83 6.08 10.00 No Roof dome normal, wall half domes at 164 deg
Quaddome H30 30 Quaddome 5.33 8 448.00 24.00 8.00 11.39 No all domes at 151 deg, domes connect at 169, roof and triangles at 155
Quaddome 4ft Stretch H35 35 Quaddome 4ft Stretch 7.54 10 544.00 29.50 8.00 11.39 No all domes at 151 deg, domes connect at 169, roof and triangles at 155
Quaddome 8ft Stretch H40 40 Quaddome 8ft Stretch 9.93 12 640.00 33.33 8.00 11.39 No all domes at 151 deg, domes connect at 169, roof and triangles at 155
Stacked Quaddome H114 114 Stacked Quaddome 5.87 20 1856.00 57.00 8.00 22.78 No

Since both domes have a line of symmetry in them, they can be stretched with sheets of 4x8s to make as big a place as you need.

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Authors Xyver
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Language English (en)
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Created May 14, 2024 by Xyver
Last modified May 14, 2024 by Xyver
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