Rhombic Dodecahedron Sacred Geometry Bronze Pendant with Chain

Shipping to United States: Free

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This fully 3D pendant is a Rhombic Dodecahedron, a convex polyhedron with 12 rhombic sides. This shape is important in the newly emerging cellular universe theory, which says that the universe is made of gravitational cells, shaped like a Rhombic Dodecahedron. There are actually only three ways by which a volume can be divided into ordered 3D cells (identical units with no gaps between adjacent cells): cubes, truncated octahedra, or rhombic dodecahedra. We immediately eliminate the cube as it is unstable when subjected to the forces involved. That leaves the truncated octahedron and the rhombic dodecahedron. The choice of shape depends entirely on the type of force involved. When the forces of surface-tension are involved then the cell tries to minimize the surface area. When the force involved is that of "negative pressure" then the tendency is to maximize the surface area. Thus, surface tension cells, striving to minimize their surface area, take the shape of truncated octahedra, while negative pressure cells, striving to maximize their surface area, take the shape of rhombic dodecahedra.

This design started life as a 3D model, 3D printed in PLA, a corn-based bioplastic. This was cast using a standard investment casting procedure, then cut in half and polished to make a rubber mold. The rubber mold is used to create wax halves, which are joined together and cast in bronze to create the piece. The pieces are then finished by hand.

This 1.5" x 1" x 1" pendant, weighing 22 grams, is made of ancient bronze, an alloy of 90% copper and 10% tin. It comes with a gunmetal chain, with a hypoallergenic dark and shiny coating that will never tarnish or turn your skin green, in your choice of length. Currently ready to ship, ships within 1 week from our SF Bay Area, CA studios.

PLEASE NOTE: You are responsible for reading and understanding all shop policies before placing your order.



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Payment plans available for jewelry pieces over $50. Please send us a message for more information.

All California residents liable for state sales tax.

Shipping from United States

Due to COVID-19, we are currently shipping once a week, midweek. Items ship on the next shipping day after the order is placed, with the exception of some made to order items. Please note that given shipping times reflect a "worse case" scenario. Some made to order items may require 1-2 weeks manufacturing time before shipment, thanks for understanding!

All shipping materials are recycled or upcycled whenever possible. All shipping labels are printed on 100% post-consumer recycled paper. All orders now ship free with tracking in the United States. International shipping available for an additional fee for most items.

Please note we will no longer pay to re-send packages that have been returned to us due to being mis-addressed. We ship all items with Etsy shipping labels using the customer provided address. You are responsible for ensuring that you provide the correct shipping address.

We are unable to guarantee delivery on a specific day at this time due to postal delays caused by the COVID-19 pandemic, thanks for your understanding.

Please note that some foreign countries may levy a customs fee or VAT tax on international shipments. This tax is payable to your country's government and is not included in our shipping fees. We are not responsible for items being returned to us due to unpaid customs tax.

Returns & Exchanges

I gladly accept exchanges

Just contact me within: 14 days of delivery

Ship items back to me within: 30 days of delivery

I don't accept returns or cancellations

But please contact me if you have any problems with your order.

The following items can't be returned or exchanged

Because of the nature of these items, unless they arrive damaged or defective, I can't accept returns for:

  • Custom or personalized orders
  • Perishable products (like food or flowers)
  • Digital downloads
  • Intimate items (for health/hygiene reasons)

Returns and exchange details

All sales are final - no refunds or cancellations, sorry!

Please contact us if you have any issues with your order, we may be able to replace the item or help in another way!

For items broken during shipment or during normal activities, please contact us to arrange a replacement or store credit.

We will not be held responsible for items lost during shipment. Once the item leaves our hands and goes to USPS, it is out of our control. Please contact USPS or your country's postal service with your tracking number.

Please be aware that we will no longer accept returns because of customers not fully reading the description or looking thoroughly at all photos, we post all size and material-related information in the listing. It is your responsibility to ensure you know this information before ordering.

Absolutely no refunds on custom orders, thank you. If you have an issue with your custom order or made to order item, please contact us as we may be able to fix it.

No exchanges on used stencils or clothing.

Made to order items may take 1-2 weeks to ship.


Interested in wholesale orders? Please send us a message, we have a wholesale linesheet available for retailers.

Custom orders accepted January - November.