How to draw a straight line without using a ruler : Constrained ball instrument!
- Tuesday, January 17, 2012, 12:52
Have you ever wondered to draw a straight line without the help of a ruler?. Here is an interesting instrument created by a korean product designer giha woo, which helps you to draw a line for a measured centimeters without using a ruler. The product is named as a “Constrained ball”, as the name goes a ball point pen rolls freely in accordance with the ball/wheel attached at the bottom of the pen. The users can set the exact desired line length in both a horizontal and vertical direction. Sound’s interesting right?, do you feel this instrument can help you to draw a straight line?
The ball point moves along with the constrained ball
The ball point moves along with the constrained ball
The ball point moves along with the constrained ball
Insert the pen into the constrained ball
Have a look at the measure indicator at the top
constrained ball roller
constrained ball
