Lights projected through perforated boxes illuminated a space designed by Cullen Projects to host fashion shows during London Collections: Men (+ slideshow). More about Cullen Projects builds glowing perforated boxes for London menswear shows
Milan Expo 2015: Nendo has played with the perspective of a dining table and chairs to present a range of tableware inside the Japanese pavilion at the Milan Expo (+ slideshow). More about Nendo creates dining room optical illusion at Japan's Expo pavilion
Students from Swiss university ÉCAL are the latest designers to refit an apartment in Le Corbusier's Cité Radieuse housing block in Marseille. More about ÉCAL students take over Appartement N°50 at Le Corbusier's Cité Radieuse
Science fiction writer Bruce Sterling has curated an apartment inside an old industrial building in Turin, Italy, bringing together various designs to create the "open-source connected home of the future" (+ slideshow). More about Casa Jasmina combines Italian design with connected home technologies
Thin blue strings are stretched between arch-shaped frames to create tunnels across the cloister garden of a French cathedral (+ slideshow). More about Atelier Yokyok installs vaulted string tunnels in a Gothic cloister garden
Sections of Renaissance paintings are mounted onto angular planters across the colourful temporary landscape installed at a Bergamo gallery by Studio Fink (+ slideshow). More about Studio Fink covers Italian art museum courtyard with brightly coloured astroturf
Belgian artist Carsten Höller has filled the Hayward Gallery and terraces on London's South Bank with interactive installations, including a pair of spiral slides (+ slideshow). More about Carsten Höller transforms London's South Bank into a playground
London Festival of Architecture 2015: Turner Prize-nominated architecture collective Assemble has teamed up with British artist Simon Terrill to create full-size foam replicas of playground designs from architecture's Brutalist era (+ slideshow). More about Assemble's Brutalist Playground is a climbable landscape of ice-cream-coloured shapes
Design firm Studio Drift has created an installation of thin glass bars that move like wings for an exhibition during the 2015 Venice Art Biennale (+ movie). More about Studio Drift's kinetic glass installation is a tribute to humanity's quest for flight
Architects including Steven Holl and Bjarke Ingels have created Lego buildings for an installation by artist Olafur Eliasson on the High Line in Manhattan (+ slideshow). More about OMA, Renzo Piano, BIG and Steven Holl build Lego structures for Olafur Eliasson installation
Israeli artist Daniel Rozin has designed an interactive "mirror" from faux-fur bunches that change colour to create moving silhouettes (+ movie). More about PomPom Mirror creates "reflections" with tufts of fur
London Festival of Architecture 2015: visitors to this London "sleeperie" can take a 10-minute nap in a colourful sling within a dimly-lit room, where soothing music is played and all technology is banned (+ slideshow). More about Hassell and Draisci Studio create "London's first sleeperie" to encourage daytime naps
Belgian artists Studio Job have created a room "filled with frivolous expression" for the newly expanded Swarovski Kristallwelten attraction in Austria (+ movie). More about Studio Job installs giant crystal-encrusted model at Swarovski theme park
London Design Festival 2015: Mexican architect Frida Escobedo has added a series of adaptable mirrored platforms to the V&A museum's central courtyard, referencing an ancient Aztec city built over a lake (+ slideshow). More about Frida Escobedo creates an Aztec-inspired installation in the V&A courtyard
The sounds of 150 mechanical seesaws striking the floor of a former church in Austria reverberate around its nave in this installation by Swiss artist Zimoun (+ movie). More about Zimoun installs motorised wooden seesaws inside Austrian church
Milan 2015: Tokyo-based Schemata Architects created an exhibition stand for Swiss furniture brand Vitra made from Japanese wooden pallets for Milan's 2015 Salone del Mobile design fair (+ slideshow). More about Schemata Architects builds Vitra's Salone stand from wooden pallets
New York 2015: Print All Over Me has launched a range of textiles for the home with a living room installation in New York that changed daily to feature different patterns on every surface (+ slideshow). More about Print All Over Me debuts homeware line with patterned installation
London Festival of Architecture 2015: Turner-nominated architecture studio Assemble has revealed plans to fill a gallery in the headquarters of the Royal Institute of British Architects with a spongy Brutalist-inspired landscape. More about Assemble to fill RIBA gallery with Brutalist Playground
Clerkenwell Design Week 2015: Swiss design studio GRUPPE has installed totems of colourful building blocks on the streets of Clerkenwell during the London district's annual design festival (+ slideshow). More about GRUPPE creates pastel-coloured totems to signpost Clerkenwell Design Week
Sculptural park benches and a maze constructed of mirrors are among the pieces created by Danish artist Jeppe Hein for an outdoor exhibition in New York (+ slideshow). More about Jeppe Hein creates 18 whimsical installations for Brooklyn Bridge Park