I'm building Thomas the Tank Engine trains, and I'm looking for techniques to build realistic faces. I'd like the trains be able to run on standard LEGO rails, so I'm targeting 8-wide engines. This series has been visualized a number of different ways over the years. In terms of style, I'd prefer to stick as close as possible to the live action models:

Thomas photo

This leads me to the following requirements:

  • Faces must be no more than 6 wide
  • No stickers or non-LEGO elements
  • Faces should enhance the recognizably of these models as Thomas trains
  • Faces should generally be cute from a child's point of view

There have been many attempts to create Thomas models at LEGO scale. Here's one of the best examples that I've seen:

Example face

That's a larger scale than I need, but hopefully it helps provide context. I've tried emulating these techniques at smaller scale using 1x1 round eye pieces, and my attempts look a bit off. What approaches could be used to create appropriate faces at this scale?

  • 4
    slightly tongue in cheek, but still to the point : Duplo, Train Thomas & Friends Face, Thomas Pattern ;) Commented Dec 9, 2023 at 15:44
  • 1
    The problem is, with 6 wide to play with, and 2 of those taken up by 1×1 eyes, you're left with either 0 or 2 for the nose - and you need a nose. So 5 wide might be better, but I don't think you can make a very good circle in 5, and a centred mouth is then 1 or 3 unless you can squeeze in an offset without adding too much depth
    – Chris H
    Commented Dec 15, 2023 at 11:46
  • Rebrickable has a few Thomas tank engine MOCs that might help out.
    – chicks
    Commented Dec 15, 2023 at 17:15


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