Danish toy brand Lego, which has built a fan base among architects and designers with its colourful building bricks, has been accused of "censorship" by Chinese artist Ai Weiwei after refusing to supply an order for an exhibition in Australia. More about Ai Weiwei appeals to public after Lego refuses to provide bricks for "political" work
American artist Jennifer Angus has used an intricate pattern of insects to decorate a vivid pink room at the Renwick Gallery in Washington DC, set to reopen next month following renovation work (+ slideshow). More about Bugs adorn the walls at renovated Renwick Gallery in Washington DC
Bjarke Ingels' firm has unveiled its plans to build an art gallery that twists across a river in a Norwegian sculpture park (+ slideshow). More about Twisted art museum by BIG to be built across a Norwegian river
London Design Festival 2015: British artist Alex Chinneck has revealed a 35-metre-tall latticed steel sculpture resembling an upside-down electricity pylon for this year's London Design Festival (+ slideshow). More about Alex Chinneck unveils installation modelled on upside-down electricity pylon
Milan 2015: a major show examining the relationship between art and rituals around food opened this week at the Triennale di Milano museum with an exhibition design by Italian architect Italo Rota (+ slideshow). More about Italo Rota designs Arts and Food exhibition for Triennale di Milano
Movie: in this film produced by Dezeen for the British Council, leading artists and curators discuss the increasing significance of digital art and the new opportunities open to artists working "in a digital age." More about Galleries around the world are finally "starting to take digital art seriously"
Lengths of brightly coloured garden hose are arranged to resemble a classical fountain in a work by artist Bertrand Lavier currently installed in the grounds of London's Serpentine Sackler Gallery (+ slideshow). More about Bertrand Lavier's "unruly mass" of hoses creates a fountain outside the Serpentine Sackler Gallery
Brightly coloured stripes based on refracted light run across the walls, ceilings and floors of an art gallery in Nuremberg, Germany, in this immersive installation by Markus Linnenbrink (+ slideshow). More about Markus Linnenbrink's Off the Wall! installation immerses visitors in colour
Swiss artist Felice Varini has painted curved strips onto buildings and streets in Hasselt that create a picture of overlapping rings when viewed from a single vantage point in the Belgian city. More about Felice Varini paints perspective-dependant artwork across Belgian city
This London building appears to have been turned on its head, but it's actually an installation created by Hackney artist Alex Chinneck. More about London building turned upside down by Alex Chinneck
A smooth, curved concrete shell forms the exterior of this art studio in Boeotia, central Greece by Athens studio A31 Architecture (+ slideshow). More about Art Warehouse in Boeotia by A31 Architecture
Contemporary artists Michael Elmgreen and Ingar Dragset have turned five galleries at the V&A museum in London into the apartment of a fictional architect for an exhibition that opens next month. More about Tomorrow – Elmgreen & Dragset at the V&A
A twisted entanglement of tree branches appears to grow organically from the beams of Paris' Palais de Tokyo museum in this installation by Brazilian artist Henrique Oliveira (+ slideshow). More about Baitogogo by Henrique Oliveira at Palais de Tokyo
Hackney artist Alex Chinneck has created a wall that melts in the sun as part of his research for a project to build a melting house. More about A Pound of Flesh for 50p (study) by Alex Chinneck
News: Hackney studio Sample and Hold 3D-scanned a living horse for a new sculpture by Turner Prize-winning artist Mark Wallinger. More about London studio creates 3D scan of horse
Competition: Dezeen is giving readers the chance to win one of five copies of a limited edition digital artwork by Japanese artist Yoko Ono. More about Competition: five copies of digital artwork by Yoko Ono to be won
British artist Jeremy Hutchison will open a pop-up shop selling useless objects at a London gallery this December. More about Erratum by Jeremy Hutchison
Visitors can play in the rain without getting wet in this installation by interactive designers rAndom International at the Barbican in London (+ slideshow). More about Rain Room by rAndom International at the Barbican
French artists Christophe Berdaguer and Marie Péjus have converted an old house in France into a visitor centre by giving it a ghostly cloak of polystyrene and paint. More about Gue(ho)st House by Berdaguer & Péjus
German artist Hendrik Beikirch has painted a 70-metre-high mural of a fisherman a few blocks away from Daniel Libeskind's Haeundae I'Park skyscrapers in Busan, South Korea (+ slideshow). More about Asia's Tallest Mural by Hendrik Beikirch