The visibility of a pillar can indicate which side of a door is attached to a hinge by providing a visual cue. If the pillar is visible on one side of the door, it suggests that the door is hinged on that side. This is because the pillar would obstruct the door if it were to swing open from the opposite side. Thus, the visible pillar serves as a design element that subtly communicates how the door operates without the need for explicit instructions.
How do designers improve their products to work around flaws in human logic? In The Design of Everyd...
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