# Conical Door-Openers Mac Funamizu's Door Knob Concept Makes for Easier Entry By Vittoria Natarelli | Published 2010-07-22 | Art & Design Source: Trend Hunter, https://www.trendhunter.com/trends/mac-funamizus-door-knob-concept References: [petitinvention.wordpress](http://petitinvention.wordpress.com/2010/07/22/comically-conical-–-door-knob-concepts/) Mac Funamizu's [Door Knob concept](https://www.trendhunter.com/trends/soom) is a brilliant art design. One of the concepts is shaped like any regular door knob, while the other is cone-shaped. Why? Well, if you've ever had trouble twisting and pushing the knob at the same time, the cone-shape makes it easier on you and your wrist. Mac Funamizu's Door Knob Concept is a simple solution to an everyday inconvenience. Who knows, these soon could be the door knobs in your local hardware store. ## Trend Insights (Trend Hunter) - Score: 2.7/10 - Popularity: 50% | Activity: 22% | Freshness: 8% - Audience gender: 50% men, 50% women - Primary generations: Millennial - Top markets: North America, Europe, Asia ## Categories [Trend Hunter](https://www.trendhunter.com/trends) > [Art & Design](https://www.trendhunter.com/artdesign) > [Design](https://www.trendhunter.com/design) ## Key Themes ### Key Themes Behind This Trend - **Cone-shaped Door Knobs:** The trend towards cone-shaped door knobs aims to increase ease of use and accessibility for all consumers. - **Ergonomic Door Design:** There is a growing trend towards the development of door designs that are shaped to fit the natural contours of the human hand, making entry and exit easier for all. - **Single-handed Door Entry:** Recent trends in door design have seen a shift towards innovation that allows users to open doors with one hand and minimal effort, improving accessibility and independence for all. ### Where This Applies - **Hardware Retail Industry:** Opportunities exist in the hardware retail industry to offer a wider range of door knob options that cater to the ergonomic needs of diverse populations. - **Interior Design Industry:** The interior design industry has an opportunity to prioritize the needs of individuals with disabilities or limitations by incorporating innovative, accessible door design solutions. - **Ergonomic Product Design Industry:** Exciting advancements can be made in the ergonomic product design industry by exploring new and innovative ways to improve accessibility and usability of everyday products, such as door knobs. ## Related on Trend Hunter - [Tactile Smart Home Devices](https://www.trendhunter.com/trends/from-design-concept.md) - [Tooth-Shaped Active Doorbell Concepts](https://www.trendhunter.com/trends/skitter.md) - [Industrial Sculptural Door Wedges](https://www.trendhunter.com/trends/universal-door-wedge.md) - [3D-Printed Door Gear](https://www.trendhunter.com/trends/ross-lovegroves-door-handles.md) - [Inviting Pebble-Shaped Doorbells](https://www.trendhunter.com/trends/wireless-doorbell-concept.md) - [Tactile Vehicle Key Fobs](https://www.trendhunter.com/trends/car-key-fob.md) - [Hands-Free Door Handle Devices](https://www.trendhunter.com/trends/safe-lever-door-opener.md) - [Quad-Access Connected Doorknobs](https://www.trendhunter.com/trends/tcl-k1.md) - [Dynamic Curved Bottle Openers](https://www.trendhunter.com/trends/dancing-opener.md)