Once again, I need the collective wisdom of this group to identify a mystery LEGO element!

I did a search for "2x2"and went through scores of Bricklink pages, but I couldn't find this particular piece.

It's the size of a 2x2 plate, but with this added grooved part that I've never seen before.

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1 Answer 1


This looks like a PLATE 2X2 ANGLE, which is broken. There is a rough side shown on the picture.

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  • Looks like it was intentionally smoothed a bit after cutting or breaking, possibly for some one-off custom purpose. Aug 28, 2017 at 3:08
  • 3
    @RussellBorogove: I have lots of parts that are 30-40 years old that have a broken edge that is now rounded because it was in use for so long
    – PlasmaHH
    Aug 28, 2017 at 8:51
  • Huh, I thought it was familiar. Good job!
    – Ambo100
    Aug 28, 2017 at 10:19
  • Sorry for the delay--there is indeed a Lego part number on the bottom, which is 3956. On closer inspection, I think the above comments are right--the broken edge is not completely flat, but rounded! No wonder I couldn't find this in Bricklink. Thanks to all! Aug 29, 2017 at 20:41

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