3D Printed Hubs are the Centerpieces of Visually Stunning Geodesic Dome Shade Structures

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3D Printed Hubs are the Centerpieces of Visually Stunning Geodesic Dome Shade Structures

byDebra ThimmeschMay 27, 20153D Design3D Printing

Theres no better, more direct metaphor for the work that Michael Gates and Toby Vann ofArchimedes Designdo than the hub. Its both the literal center or core of what they do and the driving force behind their venture. Gates and Vann are the founders of a truly community-centric, grassroots effort to provide one of lifes fundamental necessities: shelter. However, like most everything this creative duo does, they do it with an artfulness that blends form and function until the two are essentially indistinguishable from one another.

The Scout model, full kit includes rain fly

To say the dome structures they design and build arose from a grassroots ethos isnt quite accurate. Quite literally, its dust, the fineand some would say, insidiousdust of the Nevada desert. Longtime attendees ofBurning Man, the annual mass gathering that has become legendary by now and whose fundamental principle of community infuses their work, Gates and Vann saw a need and they responded to it with the kind of creativity and energy that exemplifies the structures they stand behindor beneath, as it were.

Drawing from a variety of resources, including 3D printing and 3D design, Gates and Vann began conceiving of shade structures that would withstand the intense conditions of the desert yet adhere to the temporal nature of the yearly festival. As any Burner knows, when you leave the festival, the environs of the infamous Black Rock City, you leave no trace.

When considering how to design something strong enough to provide shade from the sometimes relentless sun or the chill winds that cross the desert as soon as the sun has set, Gates and Vann began small. With slender cocktail straws, they constructed their first version of the structure that Gates explained is a tesselated geodesic dome.

Its basically icosohedral, he elaborated. Its the classic dome structure with triangular facets approximating a hemisphere.

Think jungle gyms, Epcot Center, Buckminster Fuller.

Although they began with more rudimentary construction methods, looking to tradition for examples like bent-pole supported structures, they realized that what they and their customers really wanted was something safe as well as sturdy. Bent poles can, after all, break. Furthermore, the shape of the dome itself spoke to the overall function of a shelter destined for the bustling but expressly temporary city that arises at the end of each summer. The city itself is laid out in concentric circles with lanes between camps and larger avenues leading to the Playa, the hub of life in Black Rock City.

It was that circular, inclusive civic structure that Gates and Vann wished to emulate with their domes. Knitting together the alternating hexagons and pentagons of the domes are star-like harness systems that can be adjusted to maintain the necessary tension to hold the poles, spokes in a sort of angular wheel, to the crucial hubs at each connecting point.

To assert that the hubs were the critical component of the Archimedes Design project is not an understatement. Gates recalled the trial-and-error process of the hub design:

We were making our own hubs with the prototyping process and we realized through field testing that they were not strong enough. They were the weak link in the structure itself.

Neither Gates nor Vann was a novice with respect to various methods of construction. Theyd essentially built their own three-story Brooklyn home from the skeleton of the previous structure. They also knew that to produce a hub of the quality they had in mind they didnt have to reinvent the wheelor, more accurately, the hub. Thats when they turned to 3D printing to create a prototype for the cast hubs that they felt would meet the high structural standards of their domes.

Cast steel hubs created using the 3D-printed prototype

While Gates had CAD experience and produced a preliminary design for the hub usingSketchUp, they turned to an experienced designer who, based upon their specifications, usedRhino 3Dto create a model to be 3D printed and, ultimately, cast. While they were aware that, as an ambitious but fledgling start-up they couldnt afford to 3D print the hubs in metal and in great quantity, Gates and Vann knew that once they had a working, full-scale model of the new-and-improved hub, theyd have something concrete to show a foundry as well as potential investors. Thats been one of the essential selling points of 3D printingits capacity to facilitate rapid, cost-effective prototyping for small businesses with big ideas. Gates and Vann took the 3D model, uploaded it toShapeways,and a few days later the most ingenious iteration yet of their award-winning domes was in full-scale production.

The Day-Glo version, which Gates and Vann unveiled at taBURnac in Montreal this past winter

Since that time, Gates and Vann have sold multiple domes in three different sizes, customizing them to individual users via the colorful, spandex shade panels that stretch across the open expanses between hubs and supports, including a black light-enhanced version of beautiful, riotous color and a distinctive red-and-blue variation in honor of their recent appearance atMaker Faire 2015 in San Mateo, California. At last years Burning Man, Gates and Vann showcased several of their domes, which they delivered personally to fellow Burners and customers. In the spirit of community that so distinguishes the yearly festival, special delivery included a tutorial in constructing and deconstructing the domes.

While no traces of the eye-catching, smart, and efficient dome structures remained after the last bit of MOOP (matter out of place in Burning Man vernacular) was removed late last summer, word of Archimedes Design and the versatile, artful domes continued to spread. As Gates and Vann persist in perfecting the domes and branching out to create domes suitable for different environments and purposes, they welcomein keeping with the festivals philosophy of collective creativitynew ideas, novel iterations, forward-thinking investors, and, above all else, real-life stories of their domes as they inspire new communities and enterprises as creative as their own.

Let us know what you think of these designs in the3D Printed Domes forumthread over at .

A colorful Archimedes Design dome provides an intimate interior space within a larger interior

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Tagged with:3d printingArchimedes Designburning mancaliforniadomesgeodesic domehubsMaker Faire 2015Michael GatesRhino3DSan Mateoshade structuresshapewayssketchupToby Vann

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