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Submitted: February 20, 2012
Image Size: 2.5 MB
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Rhombic triacontahedron clusterby ~usere35

Digital Art / 3-Dimensional Art / Objects / Other

I saw [link] and liked "-1", so I had a look into it. It's called the rhombic triacontahedron and is the dual of the icosidodecahedron, which itself is a rectified dodecahedron/icosahedron, so the construction was quite simple in TopMod. After some fine tuning in Cinema 4D, this was made in my usual fashion using MoGraph.

Did try a different look in the render with some rubber SSS, but these shapes really need to be demonstrated in a simple way to get the most out of them.

~llewelld Aug 10, 2012

You have some really great renders, and I love the fractal method you're using. The clean lines and bold colours are perfect, but obviously the geometry is the star!

My maths teacher in secondary school created models out of plaster of Paris and the results were just like this. At the time it was truly inspiring (well, I'm still here commenting on them 25 years later!). Have you considered printing any of your objects using 3D printing?

~usere35 Aug 10, 2012 Student Digital Artist

Cheers for the positive words

I enjoy my models more as renders, although we have a couple of 3D printers at my uni, I find that the size and resolution isn't really enough to fully appreciate them, these models would be very thin and delicate if printed. Also, the models themselves would have to be optimised for 3D printing, making the individual components overlap and boolean unioned, and that takes extra time and memory. All that being said, I'm not totally against the idea, and might submit some to Shapeways or similar in the future.

~llewelld Aug 10, 2012

Thanks for the explanation! I can appreciate what you say, and I fully understand why you prefer them as renders. I can also see what you mean about the need to adjust the models. It looks like some (such as your Stellated Octahedron Koch Snowflake or Small Stellated Dodecahedron Fractal, etc.) could avoid the need for too much manipulation, other than possibly having to hollow them out?

Nonetheless, I do understand your take on this. The renders are the important thing, and they're absolutely great as they are.

Do you generate these entirely procedurally? I've not used Cinema 4D, but it looks like an amazing piece of software if you have the talent to use it.

~usere35 Mar 23, 2013 Student Digital Artist

I suppose you could say they are made procedurally, I don't model them by hand entirely, I just start out with a basic shape and use a feature called "MoGraph" to put a smaller copy of the shape at the points of the original, which is now hidden. After several iterations of this it makes the shapes you see.

~coveredinchocolate Apr 2, 2012

Hello,uour stuff looks great I was trying to make the rhomibc triacontahedron my self, and I've never herd of topmod until this post, after spending a bit in the program i thought it easier just to ask you for some more details on how you created the rhombic triacontahedron.

Thanks.

~coveredinchocolate Apr 3, 2012

How would one... truncate the points until one reached a midpoint between the two polyhedra.... if one were so inclined. the remesh dual is easy, but. I have no idea what I'm doing really.

~coveredinchocolate Apr 3, 2012

Nevermind, I think I got it.

~usere35 Apr 3, 2012 Student Digital Artist

Start with a dodecahedron or icosahedron (doesn't matter which), truncate the points until you reach a mid-point between the two polyhedra (this is the rectified dodecahedron/icosahedron) and then remesh>dual.

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