# Convenient Drawing Aids The Constrained Ball by Giha Woo Makes Making Straight Lines a Breeze By Vittoria Natarelli | Published 2010-09-02 | Art & Design Source: Trend Hunter, https://www.trendhunter.com/trends/constrained-ball-by-giha-woo References: [think.bigchief.it](http://think.bigchief.it/articles/2010/08/30/constrained-ball/) The Constrained Ball by Giha Woo is the answer to my prayers. As a kid who always hated having to pull out my ruler to draw a straight line, this trusty device is fitted to my liking. Once [attached to the pen](https://www.trendhunter.com/trends/handwriting-tool), this piece can help you [draw straight lines](https://www.trendhunter.com/trends/tiroler-20) with ease while measuring the distance of the drawn line. Lazy kids everywhere rejoice because the Constrained Ball by Giha Woo will lose your need for a ruler. ## Trend Insights (Trend Hunter) - Score: 4.8/10 - Popularity: 76% | Activity: 60% | Freshness: 8% - Audience gender: 70% men, 30% women - Primary generations: Millennial, Gen X - 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 ### What's Driving This Trend - **Constrained Ball:** The Constrained Ball by Giha Woo disrupts the drawing aid industry by eliminating the need for a ruler and making straight lines easier to draw. - **Convenient Drawing:** Convenient drawing aids like the Constrained Ball by Giha Woo provide innovative solutions for eliminating the need for rulers in drawing, saving time and effort for artists. - **Measurement Technology:** The integration of measurement technology within drawing aids, such as the Constrained Ball by Giha Woo, presents disruptive innovation opportunities in the art and design industry. ### Who This Affects Most - **Art Supplies:** The Constrained Ball by Giha Woo presents a disruptive opportunity in the art supplies industry by offering a more efficient and convenient way to draw straight lines. - **Stationery:** In the stationery industry, the Constrained Ball by Giha Woo introduces a disruptive innovation by replacing traditional rulers with an attachable device that enables easy drawing of straight lines. - **Design Tools:** Design tools industry can explore disruptive opportunities by incorporating measurement technology similar to the Constrained Ball by Giha Woo, which facilitates accurate drawing and line measurement. ## Related on Trend Hunter - [Compact Precise Sketching Tools](https://www.trendhunter.com/trends/horizon-helvetica.md) - [Haute Hybrid Designer Tools](https://www.trendhunter.com/trends/rotio-compass-and-ruler.md) - [Curvaceous Analog Designer Rulers](https://www.trendhunter.com/trends/rulerc-concept.md) - [Stone-Grip Conical Pencils](https://www.trendhunter.com/trends/aluminum-sphere.md) - [Hybrid Angled Stationary Designs](https://www.trendhunter.com/trends/25-ruler.md) - [Multifunctional Angular Desktop Rulers](https://www.trendhunter.com/trends/hexagonal-ruler-set.md) - [Premium Measuring Tools](https://www.trendhunter.com/trends/the-measure-collection.md) - [Magnifying Measurement Rulers](https://www.trendhunter.com/trends/fun-sizes-ruler.md) - [Smart Measuring Devices](https://www.trendhunter.com/trends/hozos-neorulergo.md)