Hi!
I think I came across a bug with the standard primitive pyramid: The depth-value can not get smaller than your system unit.
With system unit = 1 inch and display unit = millimeter you can not set a smaller value than 2,54mm in the depth-field.

Firstly, it’s “bad practice” to have the System Units and the Display Units using different systems of measurement - everything has to be divided (or multiplied) by 25.4.  At least stick to having both Imperial or both Metric.

I just tried this in several versions of Max - they all seem to have a limit of 0.1 regardless of the System Units, but I always use “Generic Units” for display. If this is a bug it has been around for a long time - unnoticed.

Max 4.2 through 2013.
XP-64 (SP2)
NVidia 9800GTX-512 (Driver 266.58).
Core 2 Quad Q6600 2.4GHz, 8Gb Ram, DX9.0c.

I don’t think anyone ever noticed before. Max does not like it when you go very, very small in relation to the Max Unit.

If I were to model something that small in real-world units, I would set my System Unit Scale to 1 Unit = 1 Millimeter, or even 1 Unit = 0.1 Millimeter, and the Display Unit Scale to Millimeters.

Tim Wilbers [FA]

College of Arts and Sciences
Department of Visual Arts
University of Dayton
http://www.udayton.edu/
3ds Max: 7.5, 8, 9, 2008, 2009, 2010

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