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3D Printed Shelf Support Pin, Pack of 4

3D Printed Shelf Support Pin, Pack of 4, design preview, hero tilt

Design preview. Rendered from the file, not a photo.

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What it does

  • Replaces lost pegs so your adjustable shelves stay level and stable
  • Fits 0.185 inch holes, designed for standard bookcases so installation takes seconds
  • Print a fresh set in one hour, meaning you always have spares on hand
  • Sized small and light, so you can batch print multiple pins at once

You lost the shelf pins again. Your bookcase sits lopsided, and you can't find replacements anywhere. These 3D printed support pins solve that problem. They work as drop-in replacements for standard adjustable shelving pegs, giving your furniture stable support again.

The pins measure 0.19 inches in diameter, sized to fit snugly in 0.185 inch holes. This dimension comes from real testing with 3D printers and actual shelves, so you get a fit that works. Just insert them into your bookcase or cabinet holes, and your shelves hold level and steady.

Print a handful in about an hour. Keep extras in a drawer. When a pin goes missing, you have a replacement ready to go.

7.6k downloads in the maker community. That is interest in the design on the site it came from, not our sales.

What you get

  • This design prints as one piece.
  • Nothing else to print or buy for this to work.

What it is made of

Designs like this print well in PLA. Compare the materials.

Printed plastic is strong for its size, but it is not metal. We have not load tested this design, so we do not publish a weight rating. Keep it out of a hot car and away from open flame.

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Who made this design

Designed by yergacheffe. We did not draw it.

Shared under Creative Commons, credit required. See the original design