504 TIPS: LEGO dimensions and units | Lego dimensions, Lego projects, Lego plates
piece information - What are the dimensions of a LEGO brick? - Bricks
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Don't Underestimate That Jumper Plate - Half Stud Offsets in LEGO Models - Towering Brick Creations
What is the interference lock offset of a LEGO stud/hole such that it fits snugly into another piece? (i.e. What are the snap mechanism dimensions?) - Quora