This mod shortens the standard fire car lamp shade by 2mm and shrinks the top diameter. This is to avoid rubbing on the red lens cover that happens with some fire cars.
A picture installed without the red lens cover.
When using an incandescent bulb, I recommend ABS or Nylon for the filament to make this part. With an LED bulb, PETG or PLA will work.
3512-58-mod.stl and 3512-58-mod.stp
See 3512 Fire Car repair notes for full details.
These project .stl and step files I created are available on the OGR 3D printing Catalog.
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Last update Jan 24, 2026