Designer: Leblasto

Boomer – LB32 Cartridge Blaster – STL Files

15.00

Pump-Action Magazine-Fed Shell-Ejecting Foam Dart Blaster (Mega Dart)
Includes STL files, printing instructions, and assembly videos.
Watch the video: Click here.
Uses LB32 pre-primed cartridges. Pump-action cycling with 5-round magazine. Shell ejection for each fired round.

3D Model Description

Futuristic Pump-Action Shell-Ejecting Toy Foam Dart Blaster

3D printable toy foam dart blaster designed with a tactical pump-action aesthetic and realistic magazine-fed operation. Make sure to comply with local laws — if required, print it (especially the barrel) in bright colors such as orange.

Watch the product video:
https://youtu.be/tq3QTWt2vyY

Important Notes:

  • STL files only — digital download
  • Uses newly designed LB32 pre-primed cartridges
  • Magazine-fed — holds 5 rounds
  • Cartridges powered by resistance (exercise) bands

This product includes:

  • STL and 3MF files for 3D printing
  • Printing instructions (.jpeg format inside ZIP)
  • Assembly and troubleshooting videos (links in “Instructions.pdf”)

Blaster Features

  • Pump-action cycling with realistic shell ejection
  • Magazine-fed design — 5-round detachable mag
  • Fires mega-sized 95x20mm foam darts
  • Uses LB32 cartridges — no springs required
  • Low hardware build — only basic non-printed materials needed
  • Fully 3D printable with PLA — no glue required

Non-3D Printed Materials Needed

  • Office rubber bands
  • Exercise (resistance) bands (~1mm thickness)
  • Plastic-friendly oil
  • Mega-sized 95x20mm foam darts

Recommended Tools

  • Pliers
  • Scissors
  • 5mm Allen key

Printer Requirements

  • Minimum bed size: 200mm x 200mm x 200mm
  • FDM printer (resin is too weak)
  • Use standard quality PLA (avoid Matte PLA, Silk PLA, or other weak adhesion filaments)

License (Once Purchased)

  • Unlimited personal use
  • Allowed to make copies for friends and family (no financial gain)
  • Allowed to make one commercial sale of the printed product per digital file purchase
  • Not allowed to modify the digital files
  • Not allowed to redistribute the digital files
  • If you wish to create mods (e.g., attachments), please contact: leblasto@gmail.com
  • If you wish to use the LB32 cartridge design in your own products, contact: leblasto@gmail.com for licensing terms

Safety Notice

  • Recommended for ages 16+
  • Not suitable for children
  • Always wear safety glasses when operating this foam blaster

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