# Green Creative Interior Design Alternating Tread Bookcase Stair By Ayman | Published 2008-03-10 | Eco Source: Trend Hunter, https://www.trendhunter.com/trends/alternating-tread-bookcase-stair References: [materialicio.us](http://materialicio.us/2008/03/07/interesting-alternating-tread-staircase/) & [archiweb.cz](http://www.archiweb.cz/buildings.php?action=show&id=1617&type=region) Interior designers are increasignly looking at stairs for a multi-function creative space saving design. Joining the "Library Staircase" we featured a while back is this eco-friendly stairs design that is made of slats of wood bolted together. The [stairs double as a bookcase](https://www.trendhunter.com/trends/twoinone-billy-model) that saves you space and keeps your books organized and within easy reach. The material used and the simplicity of the design makes this a very appealing and easy to implement solution. Check out more interesting and [smart designs for staircases](https://www.trendhunter.com/trends/cobalt-coach-house): ## Trend Insights (Trend Hunter) - Score: 6.6/10 - Popularity: 96% | Activity: 95% | Freshness: 8% - Audience gender: 50% men, 50% women - Primary generations: Millennial, Gen X - Top markets: North America, Europe, Asia ## Categories [Trend Hunter](https://www.trendhunter.com/trends) > [Eco](https://www.trendhunter.com/eco) ## Key Themes ### Why This Trend Is Growing - **Multi-function Staircase:** Interior designers are finding new ways to utilize staircases as multi-functional spaces in creative and innovative ways, presenting opportunities for disruptive innovation. - **Eco-friendly Designs:** Increasingly, there is a trend towards eco-friendly design solutions, like using sustainable materials such as slats of wood in staircase designs, creating opportunities for companies to innovate and provide green solutions. - **Space-saving Solutions:** Designers are creating space-saving designs that combine function and style, creating the opportunity for companies to come up with disruptive innovations that save space while still maintaining an aesthetic appeal. ### Industries Being Reshaped - **Interior Design:** Interior designers are incorporating innovative staircase designs into their projects, providing opportunities for companies to create new and innovative products that cater to their needs. - **Furniture:** With staircases now serving as multi-functional spaces, the furniture industry has the opportunity to create new products like bookcases integrated into stairs, presenting solutions that are aesthetically pleasing and functional. - **Sustainable Materials:** Increased demand for eco-friendly designs presents an opportunity for the development and use of sustainable materials in staircase and furniture designs that are both functional and eco-friendly. ## Related on Trend Hunter - [Dynamic Bookend Lighting Designs](https://www.trendhunter.com/trends/stair-table.md) - [Reimagined Traditional Library Ladders](https://www.trendhunter.com/trends/step-by-step-ladder.md) - [Bold Architectural Renovations](https://www.trendhunter.com/trends/flat-iron-house.md) - [Concrete Spiral Staircase Designs](https://www.trendhunter.com/trends/cadenza.md) - [Book-Storing Side Tables](https://www.trendhunter.com/trends/bookgroove-bookrack.md) - [Sculptural Bookshelves Designs](https://www.trendhunter.com/trends/sculptural-bookshelf.md) - [Sculptural Townhome Staircases](https://www.trendhunter.com/trends/atelier-pierre-thibault-1.md) - [Expandable Bookcase Designs](https://www.trendhunter.com/trends/burrow-index-bookcase.md) - [Sleek Minimal Space-Saving Furniture](https://www.trendhunter.com/trends/altura.md)