Why is this piece notched?











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It's nowhere as deep as the garage door notches they designed to let the doors slide up and down.



How does the notch fit into the initial set that the part was first introduced and does this shallow groove have specific function?



the piece in question



For reference, this is "Plate, Modified 1 x 2 with 4 x 4 Dish at 90 degrees" (30209).










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    up vote
    2
    down vote

    favorite












    It's nowhere as deep as the garage door notches they designed to let the doors slide up and down.



    How does the notch fit into the initial set that the part was first introduced and does this shallow groove have specific function?



    the piece in question



    For reference, this is "Plate, Modified 1 x 2 with 4 x 4 Dish at 90 degrees" (30209).










    share|improve this question


























      up vote
      2
      down vote

      favorite









      up vote
      2
      down vote

      favorite











      It's nowhere as deep as the garage door notches they designed to let the doors slide up and down.



      How does the notch fit into the initial set that the part was first introduced and does this shallow groove have specific function?



      the piece in question



      For reference, this is "Plate, Modified 1 x 2 with 4 x 4 Dish at 90 degrees" (30209).










      share|improve this question















      It's nowhere as deep as the garage door notches they designed to let the doors slide up and down.



      How does the notch fit into the initial set that the part was first introduced and does this shallow groove have specific function?



      the piece in question



      For reference, this is "Plate, Modified 1 x 2 with 4 x 4 Dish at 90 degrees" (30209).







      piece-information snot






      share|improve this question















      share|improve this question













      share|improve this question




      share|improve this question








      edited Nov 28 at 22:36









      jncraton

      18.1k54897




      18.1k54897










      asked Nov 28 at 22:10









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      3,01322154






















          1 Answer
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          As far as I know, it's not intended to have any building function, it's just there to prevent any excess plastic at the fill hole from getting in the way of other pieces.



          I can't find a good close-up picture, but that particular piece is filled through a hole in the mold at that location, which you can kinda see in this picture.



          enter image description here



          Without the small recess, if the sprue were to leave behind a small nub, it could prevent sticking the piece next to another piece.






          share|improve this answer

















          • 1




            Huh, I just cracked into 40311 Traffic Lights this week and noticed a very similar notch in the base of the signpost (Tile, Modified 2 x 2 with Bar and Stud with Stop Ring). I guess it serves the exact same purpose.
            – LegoSonicBoy
            Nov 30 at 17:49











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          1 Answer
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          active

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          1 Answer
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          active

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          active

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          active

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          up vote
          4
          down vote













          As far as I know, it's not intended to have any building function, it's just there to prevent any excess plastic at the fill hole from getting in the way of other pieces.



          I can't find a good close-up picture, but that particular piece is filled through a hole in the mold at that location, which you can kinda see in this picture.



          enter image description here



          Without the small recess, if the sprue were to leave behind a small nub, it could prevent sticking the piece next to another piece.






          share|improve this answer

















          • 1




            Huh, I just cracked into 40311 Traffic Lights this week and noticed a very similar notch in the base of the signpost (Tile, Modified 2 x 2 with Bar and Stud with Stop Ring). I guess it serves the exact same purpose.
            – LegoSonicBoy
            Nov 30 at 17:49















          up vote
          4
          down vote













          As far as I know, it's not intended to have any building function, it's just there to prevent any excess plastic at the fill hole from getting in the way of other pieces.



          I can't find a good close-up picture, but that particular piece is filled through a hole in the mold at that location, which you can kinda see in this picture.



          enter image description here



          Without the small recess, if the sprue were to leave behind a small nub, it could prevent sticking the piece next to another piece.






          share|improve this answer

















          • 1




            Huh, I just cracked into 40311 Traffic Lights this week and noticed a very similar notch in the base of the signpost (Tile, Modified 2 x 2 with Bar and Stud with Stop Ring). I guess it serves the exact same purpose.
            – LegoSonicBoy
            Nov 30 at 17:49













          up vote
          4
          down vote










          up vote
          4
          down vote









          As far as I know, it's not intended to have any building function, it's just there to prevent any excess plastic at the fill hole from getting in the way of other pieces.



          I can't find a good close-up picture, but that particular piece is filled through a hole in the mold at that location, which you can kinda see in this picture.



          enter image description here



          Without the small recess, if the sprue were to leave behind a small nub, it could prevent sticking the piece next to another piece.






          share|improve this answer












          As far as I know, it's not intended to have any building function, it's just there to prevent any excess plastic at the fill hole from getting in the way of other pieces.



          I can't find a good close-up picture, but that particular piece is filled through a hole in the mold at that location, which you can kinda see in this picture.



          enter image description here



          Without the small recess, if the sprue were to leave behind a small nub, it could prevent sticking the piece next to another piece.







          share|improve this answer












          share|improve this answer



          share|improve this answer










          answered Nov 29 at 2:20









          Alexander O'Mara

          6,15721137




          6,15721137








          • 1




            Huh, I just cracked into 40311 Traffic Lights this week and noticed a very similar notch in the base of the signpost (Tile, Modified 2 x 2 with Bar and Stud with Stop Ring). I guess it serves the exact same purpose.
            – LegoSonicBoy
            Nov 30 at 17:49














          • 1




            Huh, I just cracked into 40311 Traffic Lights this week and noticed a very similar notch in the base of the signpost (Tile, Modified 2 x 2 with Bar and Stud with Stop Ring). I guess it serves the exact same purpose.
            – LegoSonicBoy
            Nov 30 at 17:49








          1




          1




          Huh, I just cracked into 40311 Traffic Lights this week and noticed a very similar notch in the base of the signpost (Tile, Modified 2 x 2 with Bar and Stud with Stop Ring). I guess it serves the exact same purpose.
          – LegoSonicBoy
          Nov 30 at 17:49




          Huh, I just cracked into 40311 Traffic Lights this week and noticed a very similar notch in the base of the signpost (Tile, Modified 2 x 2 with Bar and Stud with Stop Ring). I guess it serves the exact same purpose.
          – LegoSonicBoy
          Nov 30 at 17:49


















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