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Dome Connector

by c60, published

Dome Connector by c60 Jan 31, 2010
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6490Views 2615Downloads

Summary

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

Instructions

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.

domekit
by EFFALO
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.

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