I saw a moc from here.

enter image description here

But have no idea what the piece it use on the arms of the robot, and on the guns.

2 Answers 2


It is a Tile 1 x 1 Round, with groove

Tile 1 x 1 Round, with groove

Edit after clarification in the question:

The arms have something that looks like a bit of Hose, Ribbed cut to the required size.

The gun is, as gev pointed out, based on a standalone ray gun piece that has the ribbed section molded in originally.


  • Sorry I didn't make it clear first. Maybe new picture will help?
    – Recca Chao
    Mar 30, 2015 at 9:45
  • 1
    I am not so sure about it, but could it be flex hose cut to size? bricklink.com/catalogItem.asp?P=78c02 You should probably ask the creator directly :)
    – zovits
    Mar 30, 2015 at 9:50
  • You can see the cut hose technique in other MOCs in the series, especially here and here
    – zovits
    Mar 30, 2015 at 10:35

The bit held in the mech hand is a Ray gun.

The bit on the forearms is almost certainly a short bit of Hose, Ribbed 7mm D. 2L like zovits said.


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