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    Lego Brick Dimensions Changes? —Sun Yun
   Has anyone taken the time to measure a standard 2x4 brick or plate in detail? More than just outer height width and length but inner wall thicknesses, cylinder diameters etc. I've been spending time working out the relationships and proportions of (...) (22 years ago, 26-Nov-02, to lugnet.cad)
   
        Re: Lego Brick Dimensions Changes? —Tony Hafner
   The LDraw standards for dimensions make up a self-consistent system, though that system has some fundamental differences when compared to real-world bricks. (...) The general rule is that a plate is 1/8th of an inch, so one ldraw unit is 1/64th of (...) (22 years ago, 26-Nov-02, to lugnet.cad)
   
        Re: Lego Brick Dimensions Changes? —Erik Olson
   (...) This is one prime number relationship in the system. If cell spacing is 20 and stud radius is 6, then a diagonal distance between two studs is 20 * Sqrt(2) - 12, or about 16.28. This is the tube outside diameter. The inside diameter ought to (...) (22 years ago, 26-Nov-02, to lugnet.cad)
 

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