Crazy 3D printing, a new London tower by UNStudio and an apartment with a four-storey slide all feature in this week's issue of Dezeen Mail, along with the latest news, jobs, competitions and reader comments from Dezeen.
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Opinion: in his latest column, Dezeen editor-in-chief Marcus Fairs discusses why gated communities are "becoming the default setting in towns and cities around the world" and asks whether it matters who owns the land beneath our feet. More about "This is a village with no facilities beyond raw security"
Product news: what appear to be black lines drawn on a wall are in fact 3D clothes rails designed by Canadian studio +tongtong. More about Les Ailes Noires by +tongtong
London studio Mikhail Riches has renovated a nineteenth-century house in London and added a glazed kitchen and dining room at the rear (+ slideshow). More about East London House by Mikhail Riches
Competition: we're giving readers the chance to win a pair of portable wireless speakers by Stockholm studio Nocs (+ slideshow). More about Competition: one pair of Nocs NS2 Air Monitors to be won
News: architect David Adjaye has been commissioned to design a fashion hub in Hackney as part of efforts to regenerate the area after the 2011 riots. More about David Adjaye to design fashion outlet in east London
A rescued stone colonnade stands amongst planes of concrete at this religious shrine in the Spanish countryside by Pamplona studio Otxotorena Arquitectos (+ slideshow). More about Shrine of the Virgin of La Antigua by Otxotorena Arquitectos
Product news: Dutch design duo Daphna Laurens carved diamond-shaped grids into these wooden chopping boards and tables (+ slideshow). More about Grid Plank and Grid Table by Daphna Laurens
This leisure centre in Amsterdam by Dutch architects VenhoevenCS was designed as a fortress covered in plants (+ slideshow). More about SportPlaza Mercator by VenhoevenCS
News: a conceptual proposal for huge buoyant umbrellas that rebuild polar ice caps has been awarded first prize in this year's eVolo Skyscraper Competition. More about Polar ice cap-building umbrella wins eVolo Skyscraper Competition 2013
Competition: Dezeen has teamed up with online design store Triitme! to offer readers the chance to win one of three €100 vouchers to spend on their site. More about Competition: three €100 vouchers for Triitme! to be won
Researchers at MIT plan to 3D print a pavilion by imitating the way a silkworm builds its cocoon. More about MIT researchers to 3D print a pavilion by imitating silkworms
News: the US group that developed open-source 3D-printed gun parts has launched a file-sharing website for blueprints to 3D-printed illicit items including weapons, drugs and medical equipment. More about Wiki Weapon firm launches 3D printing Pirate Bay
News: a team of London "space architects" has developed a proposal for a lunar base that would be 3D printed by spider robots using microwaves, solar energy and lunar dust. More about Space architects plan 3D-printed lunar base
News: Danish studio BIG has been appointed to lead a team of architects and engineers to redesign the campus of the Smithsonian Institution in Washington DC. More about BIG to restructure Smithsonian Institution campus
Italian industrial designer Diego Vencato has created a collection of wooden textiles (+ slideshow). More about Wooden Mesh by Diego Vencato
White light glows through the translucent facades of this workshop in Siegen, Germany, by Ian Shaw Architekten (+ slideshow). More about Workshop Siegen by Ian Shaw Architekten
German designer Leoni Werle has created a bell-shaped lamp that can seesaw between upright and inclined. More about Pilu lamp by Leoni Werle
Australian architects MPRDG were inspired by the shapes of tree branches to add a privacy screen across the glass-fronted upper storey of this family house in the Sydney suburb of Bronte (+ slideshow). More about Hewlett House by MPRDG
News: Danish studio Bjarke Ingels Group (BIG) and American firm Ralph Appelbaum Associates (RAA) have been chosen to design a Lego visitor experience centre in Billund, Denmark. More about BIG and RAA to design Lego visitor centre in Denmark