Dome Connector

by c60, published

Dome Connector by c60 Jan 31, 2010



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This is an scad file that will generate connectors for geodesic domes, hopefully.


My goal is to use this with tent poles, since it's fairly easy to come across a non-functional tent with lots of functional poles.

According to http://www.desertdomes.com a 2v dome has 16 degrees on the pentagon (B struts) and 18degrees on 4 of the hexagons 6 with 16 degrees on two opposite ones.

Checkout http://www.desertdomes.com/graphics/dome/2vdiagram.gif for assembly diagram.

I've made a thru hole so you can bolt it with some 3mm bolt and big washers, I was having problems with it splitting where all the poles lineup.

I also centered it.

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I've noticed people adding this to there collections. I'd recommend Effalo's remix of a yazzo's type connector instead. http://www.thingiverse.com/thing:8985

I had a lot of problems with this piece shearing apart when I inserted the rods. There's also http://www.thingiverse.com/thing:9359 which is a way better way to do solid type joints as opposed to the flexible joints. Unfortunately he's only done platonic solids and not the archimedian or whatever a bucky ball is.

Platonic Solid Vertices

took a while to print 26 connectors (20 hexagonal, 6 pentagonal) but it works! details + process here: http://fabricating.tumblr.com/post/433589175/printed-13-of-c60s-dome-connectors-and-usinghttp://fabricating.tumblr.com/...

My first test was 30mmX30mmX15mm with 3 holes it had enough mass there but when I upped it to 5 holes it split rather easily. The design shown is 40mmX40mmX20mm, which should have enough meat left that it won't split. I'm still not sure if I have the angles right to do a proper Tessellated Icosahedron aka the bucky ball. I've got to print out 1 of the 5 and 5 of the 6 to check I think.

Anyway all the settings to tweak are in the scad file mildly documented.

This is cool!
I thought about a tent too but a geodesic dome is one level better. ;)
Do you think it could be improved to use less material? It looks that way.