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RNDmodelshop β€” Octahedron of 8 Hexagrams (OS-22)

#geometry #hexagon #hexagram #octahedron #polygon #polyhedron #sculpture #starofdavid #wood
Published: 2010-09-01 03:43:37 +0000 UTC; Views: 4220; Favourites: 58; Downloads: 77
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Description This is an Octahedron, which traditionally is made from 8 equilateral triangles, however this one is made with Hexagrams (the math term for what's more commonly known as a "Star of David"). The hexagram has 2 opposing interlocking triangles, so I used each pair of vertices to join to the adjacent hexagrams on the next plane and so on all the way around. I'll make this again with the opposing triangles stained in 2 colors to visually set off the interwoven patterns.

This is a table top sculpture, which could easily be modified into a hanging lamp.

I put a small (and completely safe) battery 'votive' flicker candle inside and it makes a really nice play on shadows on the wall behind it.

48 separate all wood pieces / 9" (shown) or 12" tall, I can also make this up to 30" tall with a light fixture, just let me know.
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Comments: 50

B-W-Pepper [2014-11-29 06:49:33 +0000 UTC]

your cubes look absolutely amazingΒ 
are they very difficult to make?Β 

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RNDmodelshop In reply to B-W-Pepper [2014-11-29 18:40:41 +0000 UTC]

Hi BW
Yes some can be harder than others, surprisingly this particular model is one of the easier ones to make!

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B-W-Pepper In reply to RNDmodelshop [2014-11-29 20:41:45 +0000 UTC]

is all of this handout or on a table-saw?Β 

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RNDmodelshop In reply to B-W-Pepper [2014-11-30 00:52:03 +0000 UTC]

these are all cut on a floor mount 10" Delta table saw. The pieces are cut only halfway through so they can interweave with each other rather than butt joint on the ends which would be really hard to align!Β 

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B-W-Pepper In reply to RNDmodelshop [2014-11-30 07:37:58 +0000 UTC]

I have to tell you your work is really amazing!
maybe I try it one day and make a chair this :3

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RNDmodelshop In reply to B-W-Pepper [2014-11-30 19:16:40 +0000 UTC]

that would be very cool, strong enough to hold someone without falling!

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B-W-Pepper In reply to RNDmodelshop [2014-11-30 19:19:23 +0000 UTC]

when you make a big one with thicker wood I think it will hold a person easily :3

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DAGAIZM [2014-07-06 08:16:34 +0000 UTC]

Ooo...this one is cool!
And quite easy to make....from bbq sticks...
From wood like this is other story!

Respect to You for all this precized work!!!

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RNDmodelshop In reply to DAGAIZM [2014-07-06 20:53:57 +0000 UTC]

Thank you Dagaizm, this was more difficult than some of the others, but well worth the try!

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knitnick [2012-09-30 07:49:25 +0000 UTC]

nice work! beautiful!

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RNDmodelshop In reply to knitnick [2012-10-04 22:35:34 +0000 UTC]

Thanks so much

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cl2007 [2012-02-19 02:24:42 +0000 UTC]

nice work

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RNDmodelshop In reply to cl2007 [2012-02-19 04:21:08 +0000 UTC]

Thanks so much, love your woodworking pieces as well, especially the animals, great job!

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Estherhase [2011-10-09 20:16:12 +0000 UTC]

Wow. This is an interesting idea. Very beautiful.

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RNDmodelshop In reply to Estherhase [2011-10-10 21:32:51 +0000 UTC]

Thanks so much Estherhase, I'm glad you like my piece

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xxStolen-soulsxx [2010-10-27 10:17:14 +0000 UTC]

i want one!

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RNDmodelshop In reply to xxStolen-soulsxx [2010-10-27 12:32:28 +0000 UTC]

hah thank you ..you'll find them available on my website

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xxStolen-soulsxx In reply to RNDmodelshop [2010-10-28 03:11:42 +0000 UTC]

cool, can you give me a link?

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RNDmodelshop In reply to xxStolen-soulsxx [2010-10-29 21:47:12 +0000 UTC]

Sure, here ya go (it's on my DA profile too)

[link] )

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xxStolen-soulsxx In reply to RNDmodelshop [2010-10-30 00:22:13 +0000 UTC]

thanks!

awesome stuff...
i like how you do it the old school way.

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RNDmodelshop In reply to xxStolen-soulsxx [2010-10-30 00:31:29 +0000 UTC]

awesome I appreciate that. Everyone today needs laser cutters & CAD and I like to show that things can still be made with regular tools

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xxStolen-soulsxx In reply to RNDmodelshop [2010-10-30 00:54:55 +0000 UTC]

that's awesome! we should be able to do these things with our own minds cuz that's the best computer there is!

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Leanndra51 [2010-09-20 16:43:54 +0000 UTC]

Oh my, you have lost me mathematically. However my eyes find this very pleasing. It is great to see an artisan here. There are a few that I have seen, and I am sure there a lot more.

It is a bit late, but welcome to dA. I hope you will like it here.

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RNDmodelshop In reply to Leanndra51 [2010-09-22 19:21:23 +0000 UTC]

Thank you, I wish I had found DA a while back, before this I just put my pics on Flickr

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bets4alart [2010-09-13 22:22:17 +0000 UTC]

very cool !!!
i love it

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RNDmodelshop In reply to bets4alart [2010-09-13 22:36:20 +0000 UTC]

Thanks so much bets, they're really cool in person, too bad the photos cant do them justice! Thanks for the fave

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bets4alart In reply to RNDmodelshop [2010-09-13 22:48:15 +0000 UTC]

it's ok.. i love math.. and i do origami and used to do greeting cards.. i should probably retake my portfolio and cards etc.. with the new cam..Such a job though ugh

actually ... i like the pics and the way the shadow lies...
and it's my pleasure

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RNDmodelshop In reply to bets4alart [2010-09-13 22:52:55 +0000 UTC]

thats so cool, no everyone grasps it, or sees it for its art form, just like oragami rather than just something in the corner of a classroom. The shadows help show the 3 dimensions too. Its not just for nerds anymore hah

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bets4alart In reply to RNDmodelshop [2010-09-14 19:01:41 +0000 UTC]

love the shadows !!!

hehe ... no i wouldn't think so..

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RNDmodelshop In reply to bets4alart [2010-09-14 23:13:30 +0000 UTC]

maybe I should rename it 'shadowplay' because that really makes the difference!

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VickyM72 [2010-09-04 14:30:30 +0000 UTC]

Another wonderful piece Ron! Well done! I think if I tried to do this in a 3D program, either my head or my computer would explode!

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RNDmodelshop In reply to VickyM72 [2010-09-04 16:50:22 +0000 UTC]

aww thank you so much Vicky. Your CGI's are so amazing though, you should make this one as a fly thru, maybe all the surfaces covered in star wars spaceship parts

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bear48 [2010-09-03 18:40:12 +0000 UTC]

very nice work

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RNDmodelshop In reply to bear48 [2010-09-04 01:41:08 +0000 UTC]

Thank you so much Bear

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ShadowKiwi [2010-09-03 00:29:11 +0000 UTC]

This is really cool maybe you could sell these

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RNDmodelshop In reply to ShadowKiwi [2010-09-03 01:09:00 +0000 UTC]

Thank you Kiwi, I do actually I have them (and many more) on my website linked on my profile page. Take a look! [link]

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ShadowKiwi In reply to RNDmodelshop [2010-09-03 03:13:49 +0000 UTC]

That's great! I see you've already got a good business going!

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RNDmodelshop In reply to ShadowKiwi [2010-09-04 01:41:38 +0000 UTC]

Thanks so much Kiwi

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vikingsoprano [2010-09-02 23:34:06 +0000 UTC]

Very cool. I've been thinking about how to expand on my own explorations of spherical geometry - you're giving me ideas!

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RNDmodelshop In reply to vikingsoprano [2010-09-02 23:49:37 +0000 UTC]

Thanks so much Viking, glad if I can be any help. Looks by your own works you have a really good grasp of spherical symmetries and patterns, so I look forward to seeing what you come up with here in DA

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vikingsoprano In reply to RNDmodelshop [2010-09-03 00:02:12 +0000 UTC]

Thanks - and having tried (and failed) to set up compound miters on a couple occasions myself, I am quite impressed by your works. Figuring out angles, setting the saw, and sweating the cut is hard, hard work. By comparison, all I do is measure out lengths. Yes, the length has to be perfect, but I don't have to do any of the rest of it - and if I don't like how it starts to work up, I can take out my thread - once you've cut a piece of wood, it stays cut. Well done, you!

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RNDmodelshop In reply to vikingsoprano [2010-09-03 01:06:48 +0000 UTC]

yes you are so right, and thank you for noticing all of that. If the wood was as thin as card stock, we could kinda 'fake' the miters in at least the 3rd of the 3 axis (x,y&z), like in how two planes inter connect. In that way, one only has to worry about how the wood pieces relate to each other on their respctive planes. But, alas, thats cheating! I like showing the thicker pieces and that even the third axis has to be tight. 'over angled' (acute) and the ball closes too early as you work your way around, and 'under angled (obtuse) and the ball wont close (kinda like a partially open clam shell). So its a trick getting all the 3 axis compound miters right!

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vikingsoprano In reply to RNDmodelshop [2010-09-03 15:45:05 +0000 UTC]

you're welcome!

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zananeichan [2010-09-01 23:02:38 +0000 UTC]

Beautifull hmm ironically it is close to the sixth platonic solid structure

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RNDmodelshop In reply to zananeichan [2010-09-02 00:12:40 +0000 UTC]

so true Zana, so glad you caught onto that. Its like sacred geometry on so many levels at once

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zananeichan In reply to RNDmodelshop [2010-09-02 21:31:14 +0000 UTC]

Thank you very much , Thank you I was on it seven years ago Sacred geometry is actually the gemoetric laws which would in time be part of quantum physics or ready is.. Much Love and huggles

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ArtisticLicenseNow [2010-09-01 21:28:35 +0000 UTC]

Cool again, should be interesting to see the two-tone one

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RNDmodelshop In reply to ArtisticLicenseNow [2010-09-02 00:13:56 +0000 UTC]

Thank you Janet, I agree, I just hope it doesnt look too much like a plaid pattern.
-Ron

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Colocho-geek [2010-09-01 07:00:33 +0000 UTC]

Very interesting result, i especially like the figure that results from the union of the vertices, the thickness of the wood makes it look like a window, i bet id look cool with thicker wood.

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RNDmodelshop In reply to Colocho-geek [2010-09-01 18:09:16 +0000 UTC]

Im actually considering just that, making it again with thicker wood. The test piece I did before this one was thinner to work out the compound miters, but I agree, it may change the whole dynamic to make it heavier visually

-Ron

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