Posts tagged with "CNC":
It took decades of piecemeal construction—a new day school here, a dank brick chapel there—to build the Temple Israel of Hollywood (TIOH). But it would require 10 years of work by Koning Eizenberg Architecture to transform the 90-year-old Spanish Colonial Revival–style temple into a flexible and social campus for worship. So far, the project has yielded a collection of generous, sunlit spaces, including a sculptural multiuse chapel.
The chapel is a study in contrasts: A large glass wall populated by staggered, canted window panes fronts a courtyard framed by the masonry-clad temple and a low administrative wing, the glass surfaces of the new chapel sheathed by a folded-aluminum louver system. That steel-supported shade was meticulously designed and fabricated against the restrictive physical tolerances of the aluminum material—its design is partially inspired by the ceremonial tallit cloth. The expanse is interrupted by a wall enclosing the Ark of the chapel, an extra-thick volume that appears to be made of solid sandstone but is actually hollow inside. The sedimentary exterior treatment on the Ark is achieved by hand-applying compositions of different colored sands and tiny pebbles—brought to Los Angeles from congregants’ visits to Jerusalem—over a shotcrete substrate.
Nathan Bishop, principal at KEA and project designer for TIOH, explained that a tight budget forced the architects to develop custom but frugal approaches. “There are no off-the-shelf products,” Bishop explained regarding the chapel’s major components.
Along the inside of the chapel, the Ark itself is interrupted by a large vertical screen made of CNC-milled maple. The Ark screen is decorated by a dense geometric pattern that conceals a space containing a Torah. The chapel interior is topped by a suspended CNC-milled, segmented plywood ceiling. Its crisscrossing and angular profiles sweep from east to west, variable peaks and valleys rising and falling to create a cavernous lid. The segments allow for the ceiling to have two readings: an airy structure from below, and a solid one from afar.
Bishop explained that among the Ark wall, sunshade, and chapel ceiling, the designers aimed to establish an open-ended dialogue between architecture and ritual. The sunshade, for example, can exist as a discrete architectural element reflecting light every which way, while remaining vaguely associated with “something that feels like the frayed end of the tallit,” as Bishop put it.
The facade and roof serve as a the graphic identity for the 20,000 sq. ft. building while acting as a veil which reveals and conceals views.The Groove provides an extension to CentralWorld, the third largest mall in the world. At 6,000,000 sq. ft., the mall is comprised of three towers: an office tower, a lifestyle tower (including a gym, dentist and doctors offices, schools, etc.), and a hotel tower. The main shopping center includes four department stores and a convention center. Sited at an existing entry plaza to the office tower, which feeds an underground parking garage, the project came to Synthesis’ office with several structural design constraints. The weight of the addition was limited, causing the design team to incorporate a specific steel frame with a grid coordinated to the bay spacing of the parking garage immediately below grade. Alvin Huang, Founder and Design Principal of Synthesis Design, says this helped save time at the start of the design process. At 20,000 sq. ft., the project, jokes Huang, is “the punctuation on the paragraph.” The design team approached the project with a concept aimed at providing an intermediary space – an “intimate atmosphere” – within Bangkok’s predominant shopping district. Their strategy was to depart from a traditional single monolithic building (more of the same), developing instead an indoor/outdoor atrium space to link a series of buildings inspired by the Bangkok "soi" (Thai for side-streets) for their comfortable café-like pedestrian atmosphere. The building envelope of the Groove peels open to organically reveal openings rather than incorporating typical punched openings. An aluminum composite panel rainscreen system incorporates gradient patterning and integrated lighting to produce an exterior that is “intense, active, and slick” according to Huang. “The skin replicates the intensity of a specular effect of continually pulsating lights along Ponchet Road.” A warm interior spills out to the exterior via CNC-milled timber soffits, whose geometry peels outward, overlapping openings as a sort of exaggerated detailing found in an airplane window trim. The rainscreen panels were CNC milled by a local fabricator who utilized geometry from Huang’s office to produce a custom perforation pattern. “We didn’t want the architecture and the identity to be two different things,” says Huang. “The signage appears and disappears – a gradient that pulses and draws your eye toward openings.” Huang says as an office, Synthesis is generally interested in the relationship between the digital and the hand made. “We are highly digital in our design process. but in Thailand, most construction components are hand made and ultimately assembled by a labor force of limited experience, requiring simplification, not complexity.” Synthesis’ design office focuses on "digital craft" with a body of work that is driven by the relationship between fabrication and the act of making as part of the design process, says Huang. “What we are not interested in is designing, and then figuring out how you are going to make it.” The Groove is one of 37 projects currently nominated for "Building of the Year 2015," a poll open to the public through the end of January, 2016.
Fly's Eye Dome reproduction applies contemporary tools and materials to 1970s concept.Thirty years after R. Buckminster Fuller's death, the visionary inventor and architect's Fly's Eye Dome has been reborn in Miami. Unveiled during Art Basel Miami Beach 2014, the replica dome, designed and fabricated by Goetz Composites in cooperation with the Buckminster Fuller Institute (BFI), pays tribute to Fuller both aesthetically and technologically. Constructed using contemporary materials and digital design tools, the new 24-foot Fly's Eye Dome (which serves as the pedestrian entrance to a parking garage in the Miami Design District) is yet further evidence that the creator of the geodesic dome was ahead of his time. BFI commissioned Goetz based on the firm's prior work restoring the original Fly's Eye Dome. At the end of that process, they created a 3D scan of the prototype for BFI's records. The digital files were the jumping-off point for the reproduction, for which ConForm Lab's Seth Wiseman provided critical design assistance, as did Daniel Reiser of DR Design. Wiseman produced a parametric model of the dome's truncations in Grasshopper, then compared his model to the 3D scan of the original to make sure the geometries matched. A 2012 reproduction of the Fly's Eye Dome, the MGM Butterfly Pavilion in Macau, China, constituted a practice round of sorts. "For Macau, we had a tight timeline: from the algorithm to shipment [we had] six weeks," said Wiseman. "We were able to review and tweak the geometry for the Miami dome—to refine it and make it more consistent with the original prototype." Goetz, Reiser, and Wiseman introduced a few crucial changes into the Miami reproduction. "Bucky's original intent and concept was well-placed, but it suffered in execution," observed Wiseman. Fuller's prototype used a shingle system of overlapping truncations to shed water. As a result, the geometry was complicated. "The problem for us, from the manufacturing standpoint, is that it required four different molds," said Wiseman. "Though technology allows us to produce something of this complexity fairly easily, it's cost-prohibitive unless we're doing something on a production scale." The design team eliminated the shingle system, instead using a standard two-legged flange and coupler attachment to connect adjacent truncations on the dome's interior. The attachments are both mechanically fastened—for fidelity to Fuller's vision—and epoxy fitted—to meet engineering requirements. "If we were to do a third iteration, our hope is to develop joinery to eliminate the fasteners, for both assembly and aesthetic reasons," said Wiseman. In keeping with Fuller's commitment to all things cutting-edge, Goetz fabricated the reproduction using 21st-century materials and methods. They selected a PRO-SET epoxy originally developed for use on Coast Guard vessels to stand up to the South Florida weather, and replaced the glass domes with polycarbonate lenses sourced by Wasco and detailed with help from 3M. The composite forms were milled on a 5-axis CNC machine using EPS foam molds. (MouldCAM did some of the CNC cutting.) "The nice part with the Miami dome is that it's the next iteration," said Wiseman. "We've created a fire-retardant, code-compliant structure in the same vein [as the original]. I hate to say it, but I'm kind of excited to see a major storm hit Florida and see how it performs." For Goetz's Chase Hogoboom, the Fly's Eye Dome represents not just the history, but also the future of architecture. "Our background historically has been building state-of-the-art racing sailboats," he said. "We're seeing more and more demand for use of composites in architectural applications, mainly as a result of designers using programs that allow them to design very complicated shapes that need to be structural. And if you look at a Bucky dome, it's a complicated shape that needs to be structural."
Competition winner uses composite materials to re-imagine Semper's primitive hut.The title of TEX-FAB's fourth annual competition—Plasticity—has a double meaning. It refers first to the concept at the core of the competition brief: the capacity of parametric design and digital fabrication to manifest new formal possibilities. But it also alludes to the material itself, fiber-reinforced polymer (FRP). “Plastics have the potential to push contemporary architecture beyond the frame-plus-cladding formula dominant since at least the 19th century,” said competition winner Justin Diles. Pointing to traditional stonecutting and vault work, he said, "I'm very interested in this large volumetric mode of construction, but I'm not at all interested in the stone. I think that composites probably offer the best way of addressing this old yet new mode of constructing architecture." Diles' proposal, Plastic Stereotomy, builds on his work as a KSA fellow at The Ohio State University. But where his earlier Eigenforms were two-dimensional freestanding walls, Diles' Plastic Stereotomy pavilion—which he will build at scale during the coming months—is fully three-dimensional. Inspired by teaching tools designed by Robert le Ricolais, Diles used a finite element analysis 3D modeling plugin to simulate surface buckling by superimposing volumes onto one another. "Those pieces are voluptuous; they create a lot of poché [thickness] as they overlap with one another," Diles observed. While the plugin developed by his friend was critical to the design process, Diles remained focused throughout on the end goal of fabrication. "What I'm really looking at is how we can use simulation to think about issues of construction rather than just optimization," he said. Custom fabrication shop Kreysler & Associates will provide technical support as Diles moves from design to construction. Diles cites the fire-resistant FRP cladding developed by Kreysler for Snøhetta's SFMOMA as an example of how composite materials can ease the transition from two-dimensional to volumetric design. "Even though the project still adheres to Gottfried Semper's model of a lightweight frame and cladding, the panels don't have a frame expression," he said. "They're massive, with ripples and indentations. They point to a new way of thinking about architectural surface and enclosure." Kreysler and Diles will work together to streamline the techniques he used to build his competition prototype, a scaled-down section of the Plastic Stereotomy pavilion. (Bollinger + Grohmann will provide additional structural and material engineering support.) For the mockup, Diles used a 5-axis CNC mill to shape EPS foam molds onto which he layered up FRP cloth. He then removed the pieces from the molds, painted them, and glued and bolted them together, adding stiffeners to the open-backed components. Because the FRP is so light, he used two solid foam blocks to weigh down the structure. "I'm interested in working with Kreysler around thinking through production to make it more efficient," said Diles. For the fabricators, the TEX-FAB collaboration represents another step in Kreysler's journey from boat-building to other applications of composite materials, including architecture. "We're excited to work on this with Justin," said Kreysler's Josh Zabel. "It's exciting to see designers put fresh eyes on these materials we're devoted to." Plastic Stereotomy will be on display at TEX-FAB 2015 Houston at the University of Houston College of Architecture, March 26-29. The conference will feature workshops, lectures, and an exhibition on the theme of Plasticity.
Installation inverts conventional relationship between architectural models and images.Each year, a group of Pratt Institute graduate students is challenged with pushing the boundaries of exhibition design as they curate the student work from the previous year. "The basic brief is for it not to be a show where it's work on white walls, but that there's an installation component," said Softlab's Michael Szivos, who co-taught the 2014 exhibition course with Nitzan Bartov. The spring show coincides with the publication of Process, a catalog of student projects. "The book shows it in that more normative condition, year by year," said Szivos. "The installation works in tandem with that. The hope is that the students come up with something different." This year Szivos' students passed the test with flying colors, constructing a floating display out of Mylar, medium-density fiberboard, cardboard, and Tyvek that upends the conventional relationship between architectural models and two-dimensional images. Most of the students' initial concepts had to do with producing a cloud-like space, a display surface that would have an interior as well as an exterior. They eventually translated the cloud into a Mylar net that acts as both surface and structure. Architectural models, typically relegated to podiums on the fringes of an exhibition, are given pride of place on integrated MDF platforms perforated with attenuated cardboard tubes. The visual work, in turn, is placed on the ground, positioned as if it is being projected from the suspended tubes. Conventionally, said Szivos, "the hard layer is usually resting on the ground; then you have the visual layer above it. Here, the hard surface is flipped upside down and floating." Visitors access the models by ducking underneath the Mylar cloud, then standing within one of several holes in the bottom surface. "The goal was that the models would actually be seen at eye level," said Szivos. "In this case, it's almost as if it's a city of models. Each zone is a place where the models can be viewed on real architectural terms." A second goal was surprise, which the students achieved by concealing the models behind diamond-shaped Tyvek panels attached to exterior of the net. "You don't know what's inside until you engage," said Szivos. The students engineered the cloud structure using Rhino and Kangaroo. In just two months—the exhibition is timed for Pratt's spring open house—the students finalized the design and decided how to fabricate it. The bulk of the cloud is made of laser-cut Mylar panels fastened together with grommets. Loops at the bottom of the panels secure platforms made of CNC-cut MDF scattered on a sea of sawed-off cardboard tubes, while the Tyvek panels (also laser-cut) are held in place with fashion snaps. The entire installation hangs from a tube frame of galvanized pipe clamped to the gallery's ceiling beams. Time constraints led to a few shortcuts. The students initially intended to develop a projection component, but in the end simply printed most of the two-dimensional images and placed them on the floor. They had also hoped to cover the entire Mylar net in Tyvek, but eventually limited themselves to the lowest rows only. Nevertheless, the project effectively demonstrates the architectural potential of surface-as-structure—in this case, a net weighing under 20 pounds that suspends over 500 pounds of weight. "The surface is a structural skin," said Szivos. "What's nice is that even though it's only attached on the outside, there are still interior spaces."
Undulating birch walls create pockets of privacy in an apartment building lobby.When Boston design and fabrication firm Radlab began work on Clefs Moiré, the permanent installation in the lobby of One North of Boston in Chelsea, Massachusetts, they had relatively little to go on. They knew that the apartment building's developer wanted a pair of walls of a certain size to activate the lobby space, but that was about it. "Normally we get more information, so we can come up with a story—a concept based on the building and its requirement," said Radlab's Matt Trimble. "For this we pulled back and said, we have an opportunity to be a little more abstract about how we approach this conceptually." Inspired by moiré patterning and a harpsichord composition by J.S. Bach, the team designed and built two slatted birch walls whose undulating surfaces embody a dialog between transparency and opacity. The client's interest in achieving moments of privacy within a public space led Radlab to moiré patterning, the phenomenon in which a third pattern emerges when two other semi-transparent patterns are superimposed on one another. Trimble compares the moiré effect to standing in a cornfield. "It's not until that moment when you look at it from the perpendicular that you see the rows of corn," he said. "When you look to either side, the crossing prevents you from seeing depths." The designers decided to think about the two walls as a single volume that would later be split. "There's this potential for reading it as a single wall when you look at it from different perspectives," explained Trimble. "This made sense because the project is about viewpoint. If you're perpendicular to the wall, you see straight through it." Radlab began with a traditional approach to moiré patterning, playing with identical vertical components set askew to one another. Then they looked at J.S. Bach's Partita No. 2 in B-flat Major: Gigue. Bach's challenging composition requires the performer to cross his or her hands, the left hand playing the treble clef while the right hand plays the bass. "That became an inspiration for a way to structure and organize the two walls," said Trimble. "To think of one as being the result of a bass set of wavelengths, and the other as a treble set." The designers realized that they could modulate the metaphorical wavelengths across both the vertical and horizontal sections to create an interesting, and varied, third element. "That's where the Gigue became influential," said Trimble. "It gave us a way to create a rhythm in the wall that would pace itself." The team relied heavily on Rhino and Grasshopper both to design the installation and to plan fabrication. "We would create various iterations in 3D modeling software, then disassemble them into the flat XY plane and try to understand: how would we actually build this?" said Trimble. Simpson Gumpertz & Heger's Paul Kassabian provided crucial help with structural engineering, including designing a base plate that is invisible except when the wall is viewed from a 90-degree angle. Radlab CNC-milled the wood slats and spacers before coating them with varnish. "Fabrication was long and arduous, but it challenged us in really great ways," said Trimble. The group developed a hanging mechanism to efficiently apply fire retardant to the ribs. To prevent varnish from adhering to the points of connection between the ribs and spacers, they fabricated each spacer twice, once out of birch, and once out of chipboard. They affixed the chipboard templates to the ribs before spraying the varnish, leaving an untouched patch for the final spacer. "It was process-intensive, there was no getting around that," recalled Trimble. "But we embraced that process-intensive journey from the onset, to see if there were ways we could be creative about creating improvements to make fabrication more efficient." On site, Radlab laid down templates of the base plates to drill holes for the anchor bolts, then returned with the walls themselves. Each wall was prefabricated of four panels and assembled in the shop. "They tilted up almost like tilt-up concrete walls," said Trimble. In addition to having inspired the form of Clefs Moiré, Bach's Gigue works as a metaphor for how the finished walls perform in space. "It starts and stops abruptly," explained Trimble. "There's no crescendo or tapering of intensity. The walls do the exact same thing: there is no rising up from the ground or falling into it. They start and stop in a similar way."
Prismatic pyramid evokes desert mirage by day, Aurora Borealis by night.Given that their pyramidal acrylic installation at this summer's Burning Man was inspired in part by Pink Floyd's Dark Side of the Moon album cover, it seems safe to say that the architects at Red Deer "get" the festival's vibe. "We try to get very intimate with our sites, so it was interesting to approach one that we hadn't been able to visit," said founding director Ciarán O'Brien. "Some of the primal forces we could see at play there were the heat of the desert and the way people interact with structures. Specifically, for us it was about light in all its forms." The UK firm worked closely with the structural engineers at Structure Mode to design a transparent six-meter-tall structure comprising interlocking equilateral triangles, while New York Institute of Technology professor Charles Matz contributed an integrated light display based on the Aurora Borealis. "All kinds of imagery came to mind that held to the desert landscape," said O'Brien. "By day, the concept evoked a mirage; by night, a kaleidoscope. One is ephemeral, a non-place; the other is specific, a beacon." Called Luz 2.0, the Burning Man installation is only the latest iteration of an ongoing exploration of the relationship between matter and light. The project began as a response to a commission for a band pavilion. "Red Deer's original idea was a scaffolding framework that would be clad in some reflective material," recalled Structure Mode's Geoff Morrow. "We suggested going one step beyond that and building an acrylic pyramid, to make it much more special." The clients canceled, but the designers applied for grants, ran a successful Kickstarter campaign, and debuted Luz at Secret Garden Party 2013 in Abbots Ripton, England. The first Luz featured a touch-sensitive floor screen-printed with a colorful pattern that appeared to change shape under different lighting conditions. For Burning Man, Red Deer omitted the floor "so that you interacted with the playa landscape," said O'Brien. Red Deer and Structure Mode jointly developed Luz 2.0's reciprocal modular system. "It was really interesting investigating how all these different connections could work, what different shapes could work within a three-sided pyramid," said Red Deer's Lucas Che Tizard. "The system we use is composed of equilateral triangles, but it actually gives us more than just pyramids—you see hexagons as well." The architects worked first with hand sketches, then transferred their ideas to SketchUp before moving to 3ds Max, Rhino, and Vectorworks to finalize the structure and start to explore how the modules would connect to one another. Structure Mode analyzed the design's structural stability in Oasys' GSA Suite. Red Deer flattened the final design and emailed the files to the CNC cutters. At that point the three-dimensional installation "became a flat pack kit," said O'Brien. "Part of the challenge was that each of these pieces should be human-sized, so that they could be built by a small team using basic tools in desert conditions." To simplify installation, Structure Mode developed a streamlined bolt-and-nut assembly based on furniture-making connections. "In a way it's kind of low-tech, but it looks high-tech," said O'Brien. The UK contingent shipped Luz 2.0 to the Nevada desert in three crates. The components took longer than expected to arrive: though they had hoped to begin installation on Monday, the architects were forced to wait until Thursday. Nonetheless, the on-site crew managed to assemble the pyramid in just two days using hand drills. Matz's team, meanwhile, arrived on site with the electronics, including custom hardware based on 3D models sent to them by Red Deer. The installation of the lighting system "came together seamlessly," said O'Brien. "We were somewhat concerned about voltage, but it worked out." The only disappointment involved the Mogees sensors, designed to trigger changes in the light show as visitors climbed on and around the pyramid. They worked well in a small-scale test, but "unfortunately the settings didn't translate to the seven-meter structure," said O'Brien. "I can't say it fully fulfilled that brief." Red Deer and their collaborators will soon have another shot at realizing the vision behind Luz 2.0. As befits the installation's emphasis on the immaterial—not to mention the ethos of Burning Man itself—the architects plan to re-erect the structure elsewhere. "We've had quite a few offers from various benefactors, but we haven't figured out what would be best," said O'Brien. "Right now it's in storage in Reno, awaiting its next move."
A thin shell pavilion with an audio feedback program invites engagement.Apertures, the amorphous pavilion designed and fabricated by Baumgartner+Uriu (B+U) with students from SCI-Arc, challenges two of architecture’s defining dualities: the distinction between wall and window, and the division between exterior and interior. “Conceptually, we were looking at objects that are multi-directional and have apertures as their main theme,” said partner Herwig Baumgartner. “That was one aspect of it; the other was the barriers between inside and outside and how we can dissolve these. We’re interested in architecture that’s responsive through either movement or sound.” As visitors pass through or otherwise engage with the 16-foot-tall, 1/8-inch-thick structure’s many rounded openings, attached heat sensors trigger sounds based on human bio-rhythms, creating a feedback loop that encourages active exploration of the space. In addition to the themes of apertures and inside versus outside, B+U were interested in investigating the technology of thin shell structures. “How can you build something that’s over ten feet tall and very thin, and what’s the minimal material you can get away with?” asked Baumgartner. The architects used digital modeling software including Maya to determine the pavilion’s form, then constructed a series of mockups in different materials. “We’d be working with consultants, or we’d ask fabricators: how would they build this?” recalled partner Scott Uriu. “We were thrown quite a few interesting ideas. A lot of them wouldn’t quite pan out, but we were always working back and forth between digital and analog design.” The designers originally tried building Apertures out of acoustic foam. “It was interesting for us because it creates an absorptive environment, but it was very weak,” said Baumgartner. They considered supporting it with an egg-crate structure. “But in the end we said, ‘Let’s get rid of the structure and make the surface the structure,’” he explained. They landed on heat-formed plastic, a thin material that becomes self-supporting when molded into certain shapes. “We did a mockup and we really liked it,” said Baumgartner. “It’s glossy and shiny on the outside, but the inside was matte. It has a very different interior and exterior.” Matt Melnyck, a principal at Nous Engineering, worked closely with B+U to insure the pavilion’s stability. With 35 students from SCI-Arc, B+U CNC-milled polyurethane foam molds for the pavilion’s 233 panels. At Warner Bros. Staff Shop, they poured the hot plastic resin over the molds, then cut out and painted the components. Reveals and guides milled into the molds indicate attachment points; the panels are joined with aluminum rivets. On site at SCI-Arc, the design team assembled the panels into nine sections of 30-40 panels each before lifting them into place. Designed for easy assembly and disassembly, the structure “breaks down into 233 panels and nests well,” said Uriu. Media artist Hannes Köcher developed Apertures’ audio program based on B+U’s concept. “If you stick your head through the apertures or you walk through them, the majority of them have sensors. Different sensors trigger different sounds—we basically made a thermal map of the object,” said Baumgartner. “When you’re in the space and especially when there’s multiple people in the space, it heats up. The sound starts building up over time, almost like a polyphony thing.” Because the audio is delivered through transducer speakers, visitors feel as well as hear the rhythms. During its spring showing at SCI-Arc, the result was exactly as B+U had hoped, Baumgartner reflected. “People started interacting with it, entering into a sort of feedback with the sounds.”