[quoteNot true at all. The default cube in Wings is 2x2x2 wings units. If you treat them as metres you have a 2m cube (or you can type in any specific sizes when you create it). Then if you use any tool it gives you a distance readout to 4 decimal places, so that's accurate to a tenth of a millimetre. Intrude to 0.035 and your cube has walls 35mm thick.

Ok, I see now how that works.  There's no option to change the unit scale on any operation physically, but you can do the math in your head, if you know what imaginary scale you're using for scene units.  The value of Wings3D scene units are whatever you want them to be.

Thanks for clarifying.  It's just important then for users to remember to do the mental math when using certain command tools.

How accurate can the grid plane be made?  Can the visual grid be set to respect accuracy down to a tenth of millimeter as well?

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Tools :  3dsmax 2015, Daz Studio 4.6, PoserPro 2012, Blender v2.74

System: Pentium QuadCore i7, under Win 8, GeForce GTX 780 / 2GB GPU.