Coral Carbonate is a research project that involves 3D printing with calcium carbonate to create sustainable underwater "houses" for coral reefs and marine life to grow. More about Coral skeletons crafted from 3D-printed calcium carbonate could restore damaged reefs
Dezeen Showroom: Italian furniture brand Magis has launched the Bell Chair, an affordable, stackable monobloc seat made of recycled polypropylene by Konstantin Grcic. More about Bell Chair by Konstantin Grcic for Magis
Royal College of Art graduate Danielle Elsener has created a toolkit to help fashion designers reduce waste and save "an insane amount of money" through more efficient pattern cutting. More about Danielle Elsener develops "zero-waste" design system to reform fashion industry
Dezeen Showroom: Established & Sons has extended its Grid collection of modular room dividers with variations designed by Ronan & Erwan Bouroullec. More about Grid by Ronan and Erwan Bouroullec for Established & Sons
Dezeen promotion: there are just three weeks left to enter the Timber Trade Federation's Conversations about Climate Change design competition. More about Last chance to enter Timber Trade Federation's Conversations about Climate Change competition
The Step table by Michigan designer Erika Cross features an interchangeable top and base that can be stacked on top of each other at different heights, thanks to their ridged mating surfaces. More about Erika Cross models convertible Step table on industrial tools
Aerospace brand Virgin Galactic has unveiled a concept for a high-speed passenger aircraft called Mach 3, which could travel at three times the speed of sound. More about Virgin Galactic's high-speed Mach 3 aircraft will usher "a new frontier in high-speed travel"
Italian brand Magis has launched Bell Chair, a lightweight, low-cost stackable monobloc chair made of recycled polypropylene. In this exclusive video produced by Dezeen, designer Konstantin Grcic explains how he created a product that is "just over half of the weight of a normal chair". More about Bell Chair by Konstantin Grcic for Magis costs just €77 and is manufactured in less than a minute
In this week's comments update, readers are discussing criticism of Revit from some of the UK's largest architecture practices and sharing their views on other top stories. More about "It's good to see architects build up leverage towards software companies" say commenters
In our latest competition, we have teamed up with audio technology company IRIS to give readers the chance to win IRIS Flow headphones. More about Competition: win a pair of IRIS Flow headphones
Czech firm Studio 519 has designed a plywood module called Nestbox, which fits neatly into the boot of a car and can be expanded into a double bed and fully fitted kitchen for camping. More about Nestbox is a modular trunk extension that turns cars into campers
Dezeen Showroom: London designer Adam Nathaniel Furman has created a series of vibrant rugs that take cues from "lazy summer holidays" and ancient Mediterranean ruins. More about Adam Nathaniel Furman designs colourful graphic rug collection for Floor Story
British designer Lee Broom said it was a "complete surprise" to see his Hanging Hoop Chair feature in Beyoncé's visual album Black is King. More about Beyoncé swings from Lee Broom's Hanging Hoop Chair in Black is King visual album
Dezeen promotion: furniture brand Allermuir and London design studio PearsonLloyd have partnered to design customisable flatpack dining furniture for use in commercial, residential and hospitality environments. More about Allermuir designs flat-pack dining furniture Folk
A rocking horse, a series of animal companions and three storage solutions have been selected as finalists in Samsung and Dezeen's contest to create innovative household objects from repurposed cardboard packaging. More about Top five cardboard furniture designs in the Dezeen x Samsung Out of the Box Competition revealed
Charles Holland Architects has designed a pyramidal wayfinding post called The Tooley Street Triangle as a "symbol of celebration" for the London Festival of Architecture. More about Mirrorball tops colourful wayfinding post for London Festival of Architecture
American sculptor Matt Byrd has used granite stones found in his hometown in Raleigh, North Carolina to create small abstract sculptures that fit together like puzzle pieces. More about Matt Byrd sculpts Howard collection using salvaged granite
Often associated with toughness, concrete is an unusual material choice for furniture. But these six designs show how the material can be used for seating in a variety of forms including curved stools, puffy chairs and squashed benches. More about Six sculptural concrete seats including liquid-like chairs and squashed benches
German jewellery designer Saskia Diez has created face masks with detachable chains plated in silver and gold. More about Saskia Diez adds chains to face masks to make them feel "more like wearing an accessory"
Ritter Sport's recent court victory over Milka is the latest in a series of long-running legal battles to trademark the design of chocolate bars. Here we round up four of the tastiest disputes. More about Four chocolate trademark battles that were decided in court