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
1161 TIPS: LEGO dimensions and units
The LEGO Brick — The BYU Design Review
LEGO PART 3701 Technic Brick 1 x 4 [3 Holes] | Rebrickable - Build with LEGO