I vaguely remember that there was a study / blog post which made a strong point against 3D bar charts. Do you have a source at hand which compares the two - 2D bar charts and 3D bar charts?
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asked Dec 31, 2018 at 7:49
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$\begingroup$ How about this simple study uxmetricsgeek.com/wp-content/uploads/2017/06/posterV5.png? $\endgroup$– TwinPenguinsCommented Dec 31, 2018 at 14:21
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1$\begingroup$ I would only use 3D charts for 3D data and only in a presentation where the charts would be rotated to show some features of the data in 3D. Never static 3D charts and never 3D charts on 2-dimensional data. $\endgroup$– EdmundCommented Jan 30, 2019 at 10:20
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A relevant source seems to be
A Psychophysical analysis of chart readability, 2001
Sadly, I don't have access to it.
Anecdotes
If you have an area chart, giving it a 3D-effect and rotating slightly can help readability. But I don't remember a context where you could not have used a line chart in the first place.
Bad sources
- PRO: Looks good (targetdashboard.com)
- CON: Values are harder to read from the axes only - you need to add values to the bars themselves (targetdashboard.com)
answered Dec 31, 2018 at 8:07