The World of 3D Printed Objects
3D printing has moved from the realm of industrial prototyping to the desktop of anyone with curiosity and a few hundred dollars. Printed Gun explores what is possible when additive manufacturing meets creative ambition — starting with one of the most eye-catching demonstration projects in the maker community: the toy blaster.
Featured Project: The Printed Blaster
Our signature downloadable project is a fully 3D-printable toy blaster — a colorful, spring-loaded dart gun that snaps together without any hardware. It is a fantastic intermediate printing project that teaches multi-part assembly, tolerance design, and functional mechanism engineering.
Specifications:
- 12 printable parts, no supports required on most components
- Compatible with standard foam darts
- Prints in PLA or PETG on any FDM printer with a 200mm+ build plate
- Estimated print time: 8 to 10 hours across all parts
- Assembly: snap-fit with optional friction pins
Getting Started with 3D Printing
Choosing a Printer
For beginners, FDM printers like the Bambu Lab A1 Mini, Creality Ender-3 V3, and Prusa MK4 offer excellent print quality under $500. Resin printers like the Elegoo Saturn deliver higher detail for smaller parts but require more post-processing.
Essential Software
- Slicers — Bambu Studio, PrusaSlicer, and Cura convert 3D models into printer instructions
- CAD tools — Fusion 360 and OnShape for designing your own parts; Tinkercad for quick modifications
- Model libraries — Printables, Thingiverse, and MakerWorld host millions of free downloadable designs
Materials Guide
| Material | Best For | Difficulty |
|---|---|---|
| PLA | General printing, toys, decorative objects | Easy |
| PETG | Functional parts, outdoor use, food-safe items | Moderate |
| TPU | Flexible parts, phone cases, gaskets | Moderate |
| ABS | Heat-resistant parts, automotive clips | Advanced |
| ASA | UV-resistant outdoor parts | Advanced |
Why 3D Printing
- Rapid prototyping — Test ideas in hours, not weeks
- Custom everything — Print parts that do not exist commercially
- Sustainable making — Many filaments are recyclable, and you only use the material you need
- Growing community — Millions of makers sharing designs, tips, and inspiration worldwide
Download your first project file and start printing today.