Full-body 3D render of a blue Space Marine cosplay armor suit with gold accents.
Side view 3D render of a blue Space Marine shoulder armor with a skull emblem and ULTRA text.
Animated GIF preview of a rotating blue Space Marine 3D printable armor model.
3D render of a grey neck collar piece for power armor on a dark background with a yellow logo.
Detailed 3D render of a battle-worn blue Space Marine helmet and shoulder guard.
Side view 3D render of the blue Space Marine armor's backpack and helmet.
Photo of a 3D printed blue Space Marine helmet on a workbench.
Side profile 3D render of the blue Space Marine armor with a skull-themed shoulder guard.
Close-up 3D render of the blue Space Marine chest plate featuring a gold eagle and skull emblem.
3D render of the battle-damaged blue Space Marine power armor set.
Side view 3D render of the blue Space Marine armor highlighting the ULTRA shoulder plate.
3D printable parts layout of the Space Marine leg armor components.
Exploded view of the Space Marine shoulder armor 3D model parts.
Top-down 3D render of a blue Space Marine helmet and shoulder plates with gold trim.
3D model breakdown of the Space Marine relic leg armor with skull emblems.
Close-up 3D render showing the intricate details of the Space Marine power pack and armor.
Color-coded 3D model parts breakdown of the Space Marine leg armor.
3D printable components of the Space Marine arm armor and shoulder guards.
Sliced 3D model parts of the Space Marine leg armor for large-scale 3D printing.
Selection of 3D printable chest emblems for Space Marine cosplay armor.
Technical 3D model breakdown of the Space Marine leg armor assembly.
Color-coded 3D model parts for the Space Marine shoulder and arm armor assembly.
Technical 3D model breakdown of the Space Marine leg armor parts for 3D printing.
3D printable parts layout of the Space Marine arm armor with skull decorations.
Sliced 3D model parts of the Space Marine arm armor, color-coded for assembly.
Exploded view of the Space Marine leg armor 3D model parts, sliced for easier printing.
Side view 3D render of the grey Space Marine armor with an ULTRA shoulder plate.
Side profile 3D render of the grey Space Marine armor assembly.
Detailed 3D render of the grey Space Marine armor from a side angle.
Side view 3D render of the grey Space Marine armor including the leg and power pack.
Side profile 3D render of the grey Space Marine armor showing the ULTRA shoulder guard.
Blue Marine Power Armor
Blue Marine Power Armor
Blue Marine Power Armor
Blue Marine Power Armor
3Demon

Blue Marine Power Armor 3D Print · STL File

  • We’ve had to remove this armor file following a copyright claim. Thank you for your continued support! 🫐

Product Bundles

Mix and match products from our collection to get the best deals. The more you buy, the bigger the discount!

Quantity Discount
2 items 20% off
3-7 items 30% off
8+ items 40% off
* Free products do not count towards the volume discount total.
Selected products: 0 / 0
Selected products: 0 / 0
Total: $0.00

More information

We’ve had to remove this cosplay armor file following a copyright claim .
___

📦 These were the included files

  • STL (cut for 200mm printers with connection hex-pegs)

  • STL (uncut for larger printers)

  • Includes ultramarine & clear versions, and 4 chest emblem options

📏 3D Model Dimensions

Scaled to fit a 180-190 cm tall male body with room for padding.
Feel free to resize to your needs. Learn more about scaling for cosplay here.

🖨️ Printer Settings

  • Layer height: 0.20 mm

  • Infill: 10% gyroid

  • Supports: 30°

  • Use a 10 mm brim for tall, narrow parts
    (Settings may vary depending on your printer – treat these as a starting point.)

🛠️ Assembly

Parts glue together with included hex-pegs for alignment. For added strength, melt the seams with solder tool. Use magnets for the attachment (shoulders and helmet) and velcro straps for the armor.

This fan-made model was created by 3Demon, a Prague-based team of 3D artists and cosplay makers. If you need us, we're just a message away!  :)