Eden Project Modeling Need Help

[Pat]

Hi!

I'm trying to model the Eden Project accurately (need it quite ASAP). I found a Sketchup model by @TaffGoch and I used it as my base example, but I realized the scale of the 'panel' is slightly too large for the dome.

But, I also found this really nice model picture of the complete Eden Project by @TaffGoch from one of the conversations in this group. Can anyone help me how to change the dome size so I can get to the complete model of the Eden project? I'm not familiar with Sketchup (I can do basic modeling with it) but I'm familiar with Rhino/Grasshopper. Is there a quick way to adjust the model or do I have to rebuild it from scratch for each? 

Thank you so much! Any help is appreciated!

[Levente Likhanecz]

hi pat,
there is collada format (dae) version at the 3dwarehouse.
it is common CAD importable file (just unzip)

if you can do something with it, or not.
but then you have to wait for the pros here.

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[Pat]

hi Levente! 

Yes this is the model I saw before, but it seems like the panel scale is too large. I'm looking for smaller panel scale. I tried to build my own following a Youtube tutorial: https://www.youtube.com/watch?v=Uf_8niSV2ss&t=776s. But the option from Raylectron Icosahedron is either too many or too few faces (1280 vs 5120 faces). Is there an existing model with accurate scale?

Thanks!

[Levente Likhanecz]

there is a procedure to resize/scale a full model in sketchup.

select all object. then from right click context menu -> explode
then once agen select all objects, then again explode.

till you have all the groups taken apart.

then you have to do the "tape measure tool" resize trick to scale up the model to your desired size.

https://help.sketchup.com/en/sketchup/scaling-your-model-or-parts-your-model#scale-entire

To view this discussion visit https://groups.google.com/d/msgid/geodesichelp/611d3ef1-856f-47e6-99b7-1c81da47de9bn%40googlegroups.com.

[Pat]

Hi Levente,

I think it's more about the number of the panels. I'm trying to get somewhere between 3000~ subdivision icosahedron, but right now there is only an option of either 1280 or 5120 based on the Raylectron plugin.

Thanks!

[TaffGoch]

Pat,

Attached is the original SketchUp 3D model origin for this image of the Eden dome(s) layout plan/diagram.

(Model is a SketchUp, version 6, model, so any newer versions can also open it.)

Taff

(aka, TaffGoch, David Price)

[Pat]

Hi Taff,

Thank you so much for sharing the model! The subdivision scale is very accurate to the original Eden project!

How did you create this number of subdivisions? What plugin/workflow did you use?

Once again, thank you!

[TaffGoch]

Pat,

How? 

Mad skills, of course. 😉

Methodology?

I don't use any plugins for geodesic work (and I don't know of any of value.)

I use icosahedron subdivision methods that have been documented since Bucky Fuller's days.  

Joseph Clinton did some of the original mathematical work for NASA:

https://ntrs.nasa.gov/api/citations/19710028059/downloads/19710028059.pdf

Since then, several books have been published, describing methods and math. Most are no longer in print.

You can find the old "Domebook 2" online. The 2 most-relevant pages are posted, here, at the Geodesic Help Group:

For geometric modelling, Adrian Rossiter's "Antiprism" is an excellent computer-application resource.

BTW, the original, large-scale image, of the "biome" diagram that you referenced, is available at deviantART:

https://www.deviantart.com/taffgoch/art/Eden-Project-Biomes-493139054

Taff

(aka; TaffGoch, David Price)

[TaffGoch]

I forgot to mention, also see

https://www.mero.de/images/Bausysteme/publikationen/Eden_Project_english.pdf

for Eden design considerations, and discussion of the geodesic subdivision methods.

Taff