STLGen

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Car cup holder adapter maker

Makes a car cup holder fit big bottles and mugs.

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Saves an STL file in millimetres, ready for your slicer.

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About the car cup holder adapter maker

An insert that sits in the car’s cup holder and gives a wider one on top, for large water bottles, flasks and mugs that do not fit. Measure the car’s holder and your bottle.

  • Measure the car’s holder at the bottom, at the top, and its depth.
  • Foam tape round the base stops rattles.
  • PETG copes with a hot car better than PLA.

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