GOTHIC ARCH LINKS:
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The structural advantages of the Gothic Arch Shape -- in stonework:
http://www.mtholyoke.edu/courses/mtdavis/222/barrelvault.html
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Success of Gothic Arches as greenhouses -- requiring no heat OR mechanical ventilation:
http://www.newfarm.org/features/0802/greenhouses/page2.shtml
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Lots of FREE building plans:
http://www.public.iastate.edu/~mwps_dis/mwps_web/d_plans.html
including the glued & nailed 1X2 gothic arches @
http://www.public.iastate.edu/~mwps_dis/mwps_web/ut_plans.html#Anchor72015
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Small illustration of gothic arch -- “classic” shape would be the middle one:
http://perso.club-internet.fr/vinz666/En/Glossaire/Texte/Arc-brise.htm
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Read about the Aurora Ice Hotel -- made from ice in a gothic arch shape:
http://www.adn.com/front/story/4385998p-4396365c.html
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