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Golden Ratio (dark clothes) Tumbler

Tumbler by Producershirts

$31.95

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Color: Steel

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Printed & Shipped in the US
Printed locally, on demand
Delivery in 3-11 business daysMade to order · includes production time
Lower-emission local production
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No customs or import fees*

Ships from within the US

Your order ships from within the US, so you won’t be charged any customs duties, import taxes, or carrier handling fees on delivery.

The price you see at checkout is the final price — nothing extra to pay when it arrives.

*Shoes are made and shipped from overseas, so customs duties or import fees may apply on delivery and aren’t included in the price shown. All other products are printed on demand and shipped locally.

A 20 oz everyday tumbler in 18/8 stainless steel. Double wall vacuum insulation keeps drinks hot or cold for 12-24 hours, and the spill-resistant slide top lid makes it commute-friendly. Full wraparound print. In black, white, and steel. Hand wash only.

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Your Happiness, guaranteed.

We want to be sure you’re satisfied with your order, which was custom made especially for you. If your order is wrong, you’re not happy with the prints, or it isn’t what you expected for any reason, our Customer Support will gladly replace or exchange any items free of charge.

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$31.95
Product Features
  • Designed by an independent artist
  • High-quality print, built to last
  • Ethically produced
  • Ships flat or rolled, ready to display
Product Details
  • 18/8 stainless steel, 20 oz capacity
  • Double wall vacuum insulated - keeps liquids hot or cold for 12-24 hours
  • Spill-resistant slide top lid
  • Full wraparound, top-to-bottom print
  • Dimensions: 6.7" H x 3.4" rim x 2.9" base
  • Weight: 0.9 lbs
  • Available in black, white, and steel
  • Hand wash only. Do not microwave. Not dishwasher safe.
About this Design

The image features the Golden Ratio, depicted as spiraling squares and rectangles forming a logarithmic spiral. White gridlines create geometric segments on a black background, highlighting the mathematical beauty in art and nature. The design emphasizes harmony and balance, frequently found in natural patterns and classical architecture.

Producershirts

@producershirts

The divine section, in spanish "La sección áurea" the blue print of everything.

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* Comparison prices are references to regular retail prices of the same or similar items in Artist Shops or at third party retail locations. Savings may vary over time.