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FRC 2025 Reef Joints — image 1
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FRC 2025 Reef Joints

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These joints can be used with 1-1/4 Schedule 40 PVC Pipe to make the Reef field elements for the 2025 FRC Competition.

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Model information

License
Creative Commons — Public Domain

Each branch of the reef structure can be created from PVC pipe and these joint elements.  The lengths of pipe needed for a single reef component are:

  • 23 7/8 inch (bottom)
  • 9 inch (lower branch, level 2)
  • 9 inch (upper branch, level 3)
  • 12 ¾ inch (lower vertical section)
  • 11 ¾ inch (upper vertical section)
  • 6 inch (slanted section at top)
  • 7 7/8 inch (highest vertical section, level 4)

Print can be any material, 2 perimeters, 15% gyroid infill.  I used 6 top and bottom layers.

There are internal structures to increase strength and stiffness so more than 2 perimeters is not neccessary.

I designed these to fit two brands of PVC pipe with slightly different internal diameters.  The plugs are designed to flex and provide a very tight fit that won't accidentally rotate out of alignment.

 

 CAUTION : Inserting these can require a lot of force.  Be careful not to slip and hurt yourself.

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