Clura brings HEPA filtration, air quality monitoring, and fire detection to desktop 3D printing with an open-source approach.

Desktop 3D printing has become increasingly common in homes, but many lack proper ventilation to prevent toxic VOCs from escaping into living spaces. A new startup called Clura aims to solve this with what it calls the world's first smart open-source 3D printer enclosure.

The Clura enclosure, which launched on Kickstarter in early February 2026, combines HEPA and carbon filters with smart sensors to actively remove harmful particles and monitor air quality in real-time.

More Than Just a Box

Unlike simple enclosures or tents that merely contain fumes without actually removing them, Clura takes an active approach to air management:

  • HEPA and Carbon Filtration — Removes both particulate matter and VOCs from the air inside the enclosure
  • Air Quality Monitoring — Real-time sensors track particulate levels and VOC concentrations
  • Fire and Smoke Detection — Built-in sensors can alert users to thermal events before they become dangerous
  • Filament Weight Tracking — Smart PCB boards can weigh your filament spool to estimate remaining material and print time
  • 4.3 inch LCD Touchscreen — Local control and monitoring without needing a computer

Open Source Philosophy

What sets Clura apart from commercial alternatives is its commitment to open source. The Gerbers for the custom PCB boards are available on GitHub, allowing makers to build their own or modify the design. For those who prefer a turnkey solution, kits are available for purchase that include the pre-assembled smart electronics.

The design adapts to most open-concept desktop printers, with specific compatibility for Prusa MK3 series and other printers of similar size.

Why This Matters

Research has shown that 3D printing releases ultrafine particles and volatile organic compounds that can accumulate in enclosed spaces. While not all filaments are equally problematic, any plastic particles in your lungs represent an unnecessary health risk.

"We wanted to create something that doesn't just contain the problem but actively solves it," the Clura team noted in their Kickstarter campaign. "And we believe the best way to do that is to make it open source so the community can improve upon our work."

The campaign has already exceeded its funding goal, with deliveries expected later in 2026.

Image: Clura

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