When we design an EarthBox product, we ask a question that most manufacturers ignore: will this object still be desirable in twenty years? Not just functional—desirable. Will someone still want to display it, use it, keep it? This long-term thinking shapes every design decision and separates durable objects from disposable ones.
The Twenty-Year Test
Imagine your home in 2046. Technology has evolved. Trends have cycled multiple times. Your taste has matured. Which objects from today will still belong there?
This thought experiment reveals a lot about design. Objects that pass the twenty-year test share certain qualities:
- Material honesty. They're made of materials that age well—developing patina rather than degrading. Wood, glass, ceramic, certain metals.
- Form simplicity. They avoid trendy shapes and proportions that date quickly. Basic geometry transcends eras.
- Functional clarity. Their purpose is obvious and timeless. A vessel holds things. A planter supports plants. These needs don't change.
- Quality construction. They're built to last physically, not just aesthetically. No planned obsolescence, no components designed to fail.
The Test in Practice
Before finalising any design, we ask: "Would a 1960s designer be embarrassed by this? Would a 2060s designer?" If yes to either, we redesign.
Why Most Products Fail This Test
Modern manufacturing incentives actively work against durability:
Planned obsolescence. Products designed to fail ensure repeat purchases. This is explicit strategy for electronics and implicit for most consumer goods.
Trend cycling. Fashion industries profit from making last year's style obsolete. This pressure has spread to home goods, furniture, even kitchenware.
Cost optimisation. The cheapest materials and construction methods rarely age well. Particle board warps. Thin plastics crack. Budget finishes peel.
Feature creep. Adding features adds failure points. Simple objects with fewer components last longer than complex ones.
"The best objects from the past that we still treasure today are typically the simplest. Complexity rarely survives the decades."
Materials That Endure
Our material choices prioritise long-term performance over short-term cost:
Glass. Our terrarium vessels use borosilicate glass—the same type used in laboratory equipment. It's more expensive than standard soda-lime glass, but it resists thermal shock, doesn't cloud with age, and maintains clarity indefinitely. A borosilicate terrarium will look the same in fifty years as it does today.
PLA for printed components. We use high-quality PLA bioplastic specifically because it's stable. Unlike some biodegradable alternatives that break down unpredictably, properly formulated PLA maintains its structure for decades under normal conditions. It only degrades in industrial composting environments.
Cork. Portuguese cork is remarkable. It's naturally antimicrobial, dimensionally stable, and actually improves in appearance with age as the surface develops character. Cork coasters from the 1970s still function perfectly today.
Stainless steel hardware. Any metal components use marine-grade stainless steel. Yes, it costs more than zinc plating. But zinc corrodes; stainless doesn't.
Timeless Forms
We draw inspiration from archetypes—shapes that have existed across cultures and centuries because they work:
- The sphere. Perfect for terrariums because it maximises interior volume while minimising surface area. Also happens to be perhaps the most timeless form in existence.
- The cylinder. Stable, stackable, efficient. Vessel forms have converged on cylindrical shapes for millennia.
- The gentle curve. Organic forms that suggest natural growth rather than mechanical production.
What We Avoid
Sharp angles that feel aggressive. Trendy hexagonal patterns. Anything that looks "designed" in a way that dates to a specific era.
These forms aren't boring—they're proven. A well-proportioned sphere is as compelling today as it was in ancient Greece, and will be equally compelling in the future.
The Repair Mindset
Designing for decades means designing for repair. Objects will eventually need maintenance, and that maintenance should be possible:
Accessible components. Nothing is glued that could be fastened. Nothing is welded that could be screwed. Disassembly should be intuitive.
Standard parts. Where we use hardware, we use common specifications. If you need a replacement screw in 2040, you should be able to find one.
Documentation. Our specimen cards include enough technical detail that future repairs are informed. You'll know what material something is made of, what dimensions matter, what specifications to match.
Spare parts policy. We commit to providing replacement components for at least ten years after a design is retired. If your terrarium base cracks in 2035, we'll have a replacement.
Against Disposability
The environmental argument for durability is straightforward: objects that last don't need to be replaced. Every terrarium that survives twenty years is twenty years of alternatives that didn't need to be manufactured, shipped, and eventually discarded.
But there's also a psychological argument. Disposable objects teach us that things don't matter—that everything is replaceable, interchangeable, temporary. Durable objects teach the opposite. They become part of our lives, accumulate meaning, connect us to our past selves.
"The objects that survive become witnesses to our lives. They were there when significant things happened. Their permanence anchors our memories."
Your Role in Longevity
Design can only do so much. Durability also requires care:
- Gentle handling. Glass is forever until it's dropped. Handle terrariums with respect.
- Appropriate placement. Direct sunlight degrades everything faster. Find spots with bright indirect light.
- Regular attention. Small maintenance prevents large failures. Check seals. Monitor moisture. Address issues early.
- Emotional investment. Objects we care about last longer because we treat them better. Let your terrarium become part of your life.
We design objects worthy of lasting. Whether they actually last depends on both of us.
Frequently Asked Questions
Why are EarthBox products neutral colors?
Neutral colors integrate into any space and do not date. Trends in color change yearly—neutrals remain relevant for decades.
How do you test if a design is timeless?
We compare against archival images. If a form echoes dated aesthetics from any era, we simplify further.