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Concrete Planter Mold for Casting at Home

Concrete Planter Mold for Casting at Home, design preview, hero tilt

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

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What it does

  • Five-part reusable mold for casting concrete planters
  • Build durable concrete planters in your own garage
  • Saves money over store-bought concrete planters
  • Disassembles cleanly after the concrete cures
  • Use cooking oil as a release agent for clean casts

You mix the concrete, pour it into the mold, and a few days later you pull out a planter that looks like it came from a high-end design store. This five-part mold is reusable, so once you cast one planter you can do another.

Use Pam cooking oil or another release agent before pouring to ensure the concrete pulls cleanly from the plastic. The five parts disassemble in the order shown in the linked deconstruction video, so the cured planter comes out without breakage.

Use it for garden planters, herb pots, or as a maker gift for a garden lover.

7.4k 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 has 5 separate printed pieces.
  • 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 We have not load tested this design, so we do not publish a weight rating.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 jmicgavin. We did not draw it.

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