In a bid to reimagine "unpleasant and seemingly worthless" waste, Central Saint Martins graduate Olivia Gino has transformed cigarette butts into a shearling-style hat. More about Olivia Gino turns waste cigarette butts into fuzzy hat
A group of emerging designers created their own iterations of the humble ashtray for a one-day exhibition as part of 3 Days of Design, producing everything from puffy, dimpled dishes to trough-like vessels. More about Smoking Diaries exhibition reimagines the ashtray 17 different ways
A pull-out rolling tray and a bong shelf were built into San Francisco studio Alter Interiors' High Bar, a cabinet that celebrates the ritual of using marijuana. More about Alter Interiors designs cabinet that "gives cannabis its proper place"
To mark today's 420 cannabis celebration, we've rounded up eight products for marijuana smokers including a range of doughnut-shaped pipes and packaging that looks like Lego bricks. More about Eight design-led products for cannabis smoking including bongs and pipes
Milanese brand WEED'D has launched three striking and colourful marijuana bongs designed by Italian designers Simone Bonanni, Valerio Sommella and Maddalena Casadei. More about WEED'D is a collection of bongs that "can't be hidden when mum comes home"
Indian designer Sachi Tungare collected five kilograms of cigarette butts by hand to create her Jugaad collection of multi-coloured bowls and vases. More about Sachi Tungare forms swirly vessels from discarded cigarette butts
Ceramist Ninon Choplin has designed a tubular, glass pipe influenced by the shape of water slides for smoking accessories brand Tetra. More about Ninon Choplin creates curved marijuana pipe from glass to "watch as smoke billows"
Japanese brand Nendo has created a smoking device as an alternative to both traditional and electronic cigarettes. More about Nendo launches "third cigarette" as alternative for smokers
On 4/20, also known as "weed day", we've rounded up some of the best designs on offer from the fast-growing marijuana industry, including a minimal glass pipe and an app-controlled home growing system. More about Five designers tapping into the growing marijuana market
French furniture brand Smarin has designed a twig-shaped vape alternative that it hopes will encourage better breathing habits in its users.
More about Smarin's Le Sifflu "peace-pipe" uses essential oils instead of tobacco
Canadian designer Jamie Wolfond has designed a simple glass pipe for smoking accessory brand Tetra, which will debut at fashion store Opening Ceremony. More about Jamie Wolfond designs minimal glass smoking pipe for Tetra
Competition: Dezeen has teamed up with Tetra, an online shop dedicated to smoking accessories, to give readers the chance to win a patinated brass lighter case. More about Competition: win a Patina Lighter Case from Tetra
Seattle startup Printabowl has created water pipes for smoking pot that are intended to be put on display rather than be hidden "in a shoebox under your bed". More about Printabowl uses 3D printing to create sculptural marijuana bongs
Product design consultancy Mormedi has created an electronic cigarette, which they hope will become like a "personal accessory similar to a pen" for users (+ slideshow). More about Mormedi's e-cigarette is designed as a personal accessory
Japanese studio Hiroyuki Ogawa Architects has created a smoking room that is designed to never be smoky inside a shopping centre on the outskirts of Tokyo (+ slideshow). More about Smoking room designed by Hiroyuki Ogawa to offer clean air instead of fumes
Gianni Botsford Architects worked with translucent concrete to create this boxy garden pavilion in Zurich, dedicated to "the old fashioned art of smoking" (+ slideshow). More about Smoking Room by Gianni Botsford Architects is a translucent-concrete garden folly
Croatian design studio Brigada was inspired by cigarettes and smoke rings to create glowing cylindrical rooms for an exhibition about the culture of smoking (+ movie). More about The Culture of Smoking by Brigada