This part has bottom tubes and raised inside cross supports (not shown in the 3D model) that allow bottom tubes to be inserted in a hollow stud.
Several minor variations of this part are reported:
Click on a colored part below to see the Sets and MOCs that use part 3009 Brick 1 x 6 in that color. You can find an overview of all LEGO Colors here.
If a color is missing, it probably needs to be added to a Set Inventory.
This part has been used by MOCs in the following colors but not officially released.
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