Rivian Cup Holder Inserts

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Updates

Feb 19, 2026

• Added new medium size to match new cup size.

Cup Holder Inserts

These are solid inserts for the Rivian cup holders.  Sometimes you want to use a cup holder as storage.  These thin inserts can be dropped in and consume minimal space.  They're a 1mm thick shell (walls and base), so you only lose 2mm total.  Their exterior is 0.10mm offset from the interior of the cup holders, so they should fit fairly snug.

Printing

• Any nozzle and layer height should be fine.

• No supports

• Enable vase mode

• Solid bottom layers: 2mm (10 layers @ 0.20mm layer height)

  • This lets the base and chamfer get printed solid and then vase mode starts after.

• External Perimeter Width

  • I recommend a 0.8mm width on a 0.4mm nozzle.  It's still flexible, but not flimsy.

  • Increase up to 1mm depending on your nozzle and how stiff you want them.

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