Yes, I've found that these devices tend to allow for finer hand movements and gestures, which does reduce hand strain and fatigue when compared to the larger movements required by a traditional mouse input system.
Thanks for the comment. One of the key advantages to using a 3D mouse is indeed a more comfortable working experience. Think of all the clicking, dragging, scrolling required to position your CAD content when using a standard mouse and keyboard. Many 3D mouse users discover our products after developing repetitive strain injuries from this way of working. In the majority of cases, these symptoms reduce or disappear after changing to the two-handed workstyle enabled by a 3D mouse.
It's worth noting that a 3D mouse does not replace the standard mouse, it's used in conjunction. The 3D mouse takes responsibility for positioning the model or view while the standard mouse does what it's best at - pointing and clicking. The result is a significant reduction in standard mouse clicks and movements and a reduction in the risk of RSI.
As well as being more comfortable, it's a faster way of working faster and while you're right that probably means moving on to the next project sooner, meeting deadlines and delivering projects faster that the competition has got to be a good thing :-)
Interesting that you use the comfortable, John. Is there something about these tools that takes the strain off the user? Perhaps it's a matter of reducing the design time. But even if the design time is shorter, the design engineer would just be on to the next project.
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