London design studio JamesPlumb has reused twisted steel rebar and concrete rubble salvaged from demolition sites to create a series of delicate structures that hold candles. More about JamesPlumb transforms demolition waste into collection of chandeliers and candelabra
A large, steel sphere sourced from a shuttered paper mill has been repurposed by Seattle firm Mutuus Studio as an installation in a waterfront park in the Pacific Northwest. More about Mutuus Studio converts industrial artefact into Acid Ball installation in Washington park
A four-metre-wide path now hangs underneath the Pont Adolphe bridge in Luxembourg, with a lightweight steel system that acts like a "well-controlled spider's web". More about Christian Bauer suspends pedestrian and cycle path beneath Pont Adolphe in Luxembourg
Steel beams crisscross through the centre of Repoussoir, a house extension that ConForm Architects has completed in London. More about ConForm Architects completes London house extension with steel frame at its centre
American firm Modus Studio has used steel and heat-treated pine to build an "alive and mysterious" treehouse in Arkansas. More about Slender pine slats enclose Evans Tree House in Arkansas by Modus Studio
The Swedish Centre for Architecture and Design in Stockholm has a new exhibition space within one of its lofty galleries, featuring wire mesh surfaces, a huge round window and a ramp winding round its exterior. More about Dehlin Brattgård Arkitekter creates "robust machine for experimental exhibitions" at ArkDes
A windowless wall punctured by a giant void projects from this steel-clad Japanese house near Tokyo, creating a secret "exterior living room". More about Apollo Architects & Associates hides courtyard behind Cover House's metal facade
The founders of studio MÁS have built a minimal chapel from pieces of curving steel, for their own wedding in rural Hungary. More about MÁS founders weld their own minimal wedding chapel from steel
Blown glass lights that look like bubbles of magma and blown glass vessels slumped over steel and brass stands feature in Nouvel Limited's latest collection. More about Nouvel Limited push the possibilities of blown glass with latest collection
A ribbon of bright, polished steel wraps around the curving roof of this sports centre by British practice Faulkner Browns in The Hague, Netherlands. More about Twisting band of copper-hued steel encircles sports centre in The Hague
This extension to an historic villa in the Swiss town of Arlesheim by Basel-based studio HHF Architects features an expressed steel frame intended to provide a contemporary counterpoint to the house's traditional architecture. More about HHF Architects adds pergola-like extension to traditional Swiss villa
This family home by Narch is crafted from concrete slabs, steel columns and sliding glazing that permits views out over a Spanish nature reserve. More about Sliding glass doors open concrete house by Narch to views of national park near Barcelona
Spanish designer Max Enrich has contrasted simple, geometric panels with bulky, tubular legs to create a trio of nesting steel coffee tables. More about Max Enrich pairs bulky legs with slender surfaces to create nesting coffee tables
OMA's research and design studio AMO has created a display system made up of 43 slim free-standing steel walls for the permanent collection of Amsterdam's Stedelijk Museum. More about AMO creates "open-ended" display system for Amsterdam's Stedelijk Museum
French designers Ronan and Erwan Bouroullec have installed a modular sun shade and seating system made from steel and coloured glass in Miami Design District. More about Bouroullec brothers insert cloud-like canopy into Miami Design District
London designer Paul Cocksedge has unveiled plans to build a structure in one of the world's largest botanic gardens in Oman, which is based on the sun's path across the sky. More about Paul Cocksedge designs 33-metre-long garden canopy that mimics the path of the sun
Utopia Arkitekter has designed a tent-like shelter that could provide a cosy retreat for trekkers in the mountains. More about Skýli mountain shelter is designed to withstand extreme weather conditions
London-based designer Philippe Malouin has created a freestanding mirror from a single metal cylinder that has been flattened and polished at one end. More about Philippe Malouin's Press mirror is made from a single metal tube
Over 40,000 shards of polished steel make up this installation by Nendo, which is designed as an "ivy of mirrors" spreading across a Japanese flower-arranging school. More about Nendo scatters mirrors across flower-arranging school for Kaleidoscopic Ivy installation
An angular roof folds over this business centre for startups in western Spain, which Seville-based NGNP Arquitectos has split into two blocks by a narrow courtyard. More about NGNP Arquitectos uses faceted roof to define offices for startups in western Spain