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Subject: 
Re: Looking for dimensions of LEGO bricks.
Newsgroups: 
lugnet.cad
Date: 
Thu, 28 May 2009 04:54:38 GMT
Viewed: 
8006 times
  
In lugnet.cad, Timothy Gould wrote:

  
   IIRC, *real* Lego parts use Imperial units, so converting to/measuring using the metric system will involve lots of decimal places.

-Mike

Given that Denmark went fully metric in 1912 and that a 1x1 brick is 8mm x 8mm x 9.6mm (stud exclusive) it seems unlikely that imperial will work out better for you.

Although it does so happen that 8mm is quite close to 5/16inch.

Tim

That’s hardly some freak coincidence. The original 1949 Lego brick was an unauthorized copy of the Kiddicraft Self-Locking Building Brick, invented by an Englishman named Hilary Page. When the Christiansens got samples of them from the British molding company that was producing them, they rounded the original English dimensions to the closest metric equivalents which preserved the aspect ratio.(1)

So yes, the Lego brick is officially 8 x 8 x 9.6 mm (ignoring tolerance), but it’s 5/16 x 5/16 x 3/8 inches in spirit.

Allen

(1) I believe I originally read all this in The World of Lego Toys (1987), but it is also detailed with references here: http://news.lugnet.com/general/?n=54084



Message has 1 Reply:
  Re: Looking for dimensions of LEGO bricks.
 
(...) I was aware of the Kiddiecraft connection, and that TLC bought all the remaining rights from them at some point, but I thought the original Automatic Binding Bricks were a legally licensed copy/variation of the Kiddiecraft bricks. If they (...) (15 years ago, 28-May-09, to lugnet.cad, FTX)

Message is in Reply To:
  Re: Looking for dimensions of LEGO bricks.
 
(...) Given that Denmark went fully metric in 1912 and that a 1x1 brick is 8mm x 8mm x 9.6mm (stud exclusive) it seems unlikely that imperial will work out better for you. Although it does so happen that 8mm is quite close to 5/16inch. Tim (15 years ago, 25-May-09, to lugnet.cad)

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