thingiverse
With this thing you can have a base for add LED light and use like a off road. I used that for a mobile robot and I mount the "off road" in the chassis. This have a groove of 1 inch (hight) and have two orifices for M3 screws. In this file I add the solidworks files for any modification that you want do.
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This STL file is compatible with most FDM 3D printers (Creality Ender 3, Prusa MK3S+, Bambu Lab, etc.) and resin printers (Elegoo, Anycubic). Check the original page for recommended print settings and materials.
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Most STL files can be modified using free software like Blender, TinkerCAD, or Meshmixer. Check the license on the original thingiverse page to see if modifications are permitted by the creator.