• Subnautica Thermoblade Glow-in-the-Dark and Survival Knife 3D Printed Prop
  • Subnautica Thermoblade Glow-in-the-Dark and Survival knife Glow 3D Printed
  • Subnautica Survival Knife Prop – Standard 3D Printed Version
  • Subnautica Survival Knife Prop – Standard 3D Printed Version
  • Subnautica Knife Props Held in Hand – Life-Size Size Comparison
  • Glow-in-the-Dark Survival Knife – Subnautica Fan-Made Replica
  • Glow-in-the-Dark Survival Knife – Subnautica Fan-Made Replica
  • Glow-in-the-Dark Survival Knife – Subnautica Fan-Made Replica
  • Subnautica Knife Props Held in Hand – Life-Size Size Comparison
  • Subnautica Thermoblade Glow-in-the-Dark 3D Printed Prop
  • Subnautica Thermoblade Glow-in-the-Dark 3D Printed Prop
  • Subnautica Thermoblade Glow-in-the-Dark 3D Printed Prop
  • Subnautica Knife Props Held in Hand – Life-Size Size Comparison
Subnautica Thermoblade Glow-in-the-Dark and Survival Knife 3D Printed Prop
Subnautica Thermoblade Glow-in-the-Dark and Survival knife Glow 3D Printed
Subnautica Survival Knife Prop – Standard 3D Printed Version
Subnautica Survival Knife Prop – Standard 3D Printed Version
Subnautica Knife Props Held in Hand – Life-Size Size Comparison
Glow-in-the-Dark Survival Knife – Subnautica Fan-Made Replica
Glow-in-the-Dark Survival Knife – Subnautica Fan-Made Replica
Glow-in-the-Dark Survival Knife – Subnautica Fan-Made Replica
Subnautica Knife Props Held in Hand – Life-Size Size Comparison
Subnautica Thermoblade Glow-in-the-Dark 3D Printed Prop
Subnautica Thermoblade Glow-in-the-Dark 3D Printed Prop
Subnautica Thermoblade Glow-in-the-Dark 3D Printed Prop
Subnautica Knife Props Held in Hand – Life-Size Size Comparison

Subnautica Thermoblade & Survival Knife Props

£19.99
£19.99
Colour:
Subnautica Thermoblade Glow-in-the-Dark and Survival Knife 3D Printed Prop Subnautica Thermoblade Glow-in-the-Dark and Survival knife Glow 3D Printed Subnautica Survival Knife Prop – Standard 3D Printed Version Subnautica Survival Knife Prop – Standard 3D Printed Version Subnautica Knife Props Held in Hand – Life-Size Size Comparison Glow-in-the-Dark Survival Knife – Subnautica Fan-Made Replica Glow-in-the-Dark Survival Knife – Subnautica Fan-Made Replica Glow-in-the-Dark Survival Knife – Subnautica Fan-Made Replica Subnautica Knife Props Held in Hand – Life-Size Size Comparison Subnautica Thermoblade Glow-in-the-Dark 3D Printed Prop Subnautica Thermoblade Glow-in-the-Dark 3D Printed Prop Subnautica Thermoblade Glow-in-the-Dark 3D Printed Prop Subnautica Knife Props Held in Hand – Life-Size Size Comparison
Subnautica Thermoblade Glow-in-the-Dark and Survival Knife 3D Printed Prop Subnautica Thermoblade Glow-in-the-Dark and Survival knife Glow 3D Printed Subnautica Survival Knife Prop – Standard 3D Printed Version Subnautica Survival Knife Prop – Standard 3D Printed Version Subnautica Knife Props Held in Hand – Life-Size Size Comparison Glow-in-the-Dark Survival Knife – Subnautica Fan-Made Replica Glow-in-the-Dark Survival Knife – Subnautica Fan-Made Replica Glow-in-the-Dark Survival Knife – Subnautica Fan-Made Replica Subnautica Knife Props Held in Hand – Life-Size Size Comparison Subnautica Thermoblade Glow-in-the-Dark 3D Printed Prop Subnautica Thermoblade Glow-in-the-Dark 3D Printed Prop Subnautica Thermoblade Glow-in-the-Dark 3D Printed Prop Subnautica Knife Props Held in Hand – Life-Size Size Comparison

Subnautica Thermoblade & Survival Knife Props

£19.99
Subnautica Thermoblade Glow-in-the-Dark and Survival Knife 3D Printed Prop

Frequently Bought Together

Total price£96.95

🔪 Subnautica Prop Replicas – Survival Knife & Thermoblade (Life-Size Display)

Gear up like a true survivor with these life-size Subnautica Prop Replicas — full-scale models of the iconic Survival Knife and Thermoblade, 3D printed in durable, eco-friendly PLA.

Perfect for cosplay, display, or any Subnaut who’s ever shouted “I don’t need a Seamoth, I’ve got a knife!” — these replicas are available in standard and glow-in-the-dark variants for that extra sci-fi edge.

✨ Available Options

  • 🔪 Survival Knife – Standard

  • 🌌 Survival Knife – Glow-in-the-Dark

  • 🔥 Thermoblade – Glow-in-the-Dark Blade

Each knife is crafted with smooth detail, bold shapes, and accurate proportions based on their in-game models.

⚙️ Features

  • Based on Subnautica’s iconic Survival Knife & Thermoblade

  • Life-size replicas 25 cm

  • Glow-in-the-dark filament used for Thermoblade and glowing knife variants

  • Eco-friendly PLA plastic construction

  • Lightweight and safe for cosplay or indoor display

  • Handmade in the UK – printed to order

📦 Why Buy From CoolGamingStuff?

  • 🎮 Designed by Subnautica fans, for fans

  • 🚚 Fast UK shipping and protective packaging

  • ✋ Hand-finished, high-quality prints – not mass-produced

  • 💡 Glow options emit blue-white light after charging under sunlight or LED

📏 Specifications

  • Material: PLA (3D printed plastic)

  • Size: Life-size – approx 25 cm

  • Colour Options:

    • Thermoblade – Glow-in-the-dark blade

    • Survival Knife – Standard or Glow-in-the-dark blade

  • Type: Display/Cosplay prop – not a toy or weapon

❓ FAQs

Q: Do the glow-in-the-dark versions actually glow?
🟦 Yes! Charge under light and they’ll glow in low-light settings.

Q: Are these props dangerous or sharp?
🔒 They're lightweight, blunt, and safe for cosplay or shelf display, But please be cautious in any case.

🧰 Tools of the Deep – Survival Knife & Thermoblade in Subnautica

In Subnautica, survival isn’t just about swimming — it’s about being prepared. And nothing’s more iconic than these two humble tools:

🗡️ The Survival Knife – The Beginner’s Lifeline

Your first and most trusted tool.
Simple. Titanium. Deadly… to creepvine.

  • Craft it early and never leave your base without it

  • Harvest plants, defend yourself, and stay fed

  • A symbol of that first terrifying, empowering step into the unknown

🔥 The Thermoblade – The Ultimate Upgrade

Unlockable via the Modification Station, the Thermoblade turns your basic knife into a futuristic heat blade that:

  • 🔥 Cooks fish instantly

  • 🌟 Glows with Alterra energy tech

  • 💪 Symbolizes your evolution from newbie to Void-dwelling badass

🧱 Slice with Style – Display or Cosplay Ready

Whether you’re dodging Reapers, exploring Lava Zones, or just want to look like a survival expert at a con...

💠 These knives are the ultimate Subnautica accessory.

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