Top 20 Functional 3D Prints

3D printing isn't just a technology. it's a gateway to a world where your imagination becomes tangible. This revolutionary process empowers us to craft customized solutions for life's daily hurdles, transforming abstract ideas into practical realities. From ingenious organizational tools that declutter our spaces to clever gadgets that streamline our routines, functional 3D prints exemplify the boundless potential of this versatile technology. Join us as we explore how 3D printing is reshaping our approach to everyday challenges, one layer at a time.

1. Twist & Lock Containers V2 | 8 Dimensions

Why It’s Great: These twist-and-lock containers offer an innovative storage solution for small parts, craft items, or hardware. The design ensures the contents remain securely locked, while the modular nature of the containers allows them to be stacked for efficient storage. With multiple size options, you can print the exact container to fit your needs, making organization a breeze.

• Materials to Use: PLA, PETG
• Printing Notes: Ensure precise tolerances for a smooth twisting mechanism. Print at a high resolution for interlocking parts.
• Example Uses: Organizing screws, craft materials, and small electronics.
• Model URL:Twist & Lock Containers V2 | 8 Dimensions

2. Parametric Sorting Tray / Trays

Why It’s Great: These sorting trays are fully customizable thanks to parametric design. You can adjust the number of compartments, dimensions, and shapes to create the perfect organization tool for small items like screws, beads, or office supplies. The flexibility of the design makes it a go-to for anyone needing to organize various items, whether in the office, home, or workshop.

• Materials to Use: PLA, ABS
• Printing Notes: High infill recommended for durability and precise dimensions to ensure proper compartmentalization.
• Example Uses: Sorting small hardware, desk supplies, or crafting materials.
• Model URL: Parametric Sorting Tray / Trays

3. Portable Cable Organizer / Winder

Why It’s Great: This compact and portable cable organizer is perfect for keeping your cables tangle-free, whether you’re at home or on the go. It’s designed to be lightweight, making it easy to carry in a bag or pocket. The winding mechanism helps organize charging cables, headphones, or USB cords, ensuring they stay neatly coiled and ready for use.

• Materials to Use: PLA, PETG
• Printing Notes: Strong layer adhesion is essential for durability, especially if the winder will be used frequently.
• Example Uses: Organizing charging cables, USB cords, and earbud wires.
• Model URL: Portable Cable Organizer / Winder

4. Magic Expand Pencil Case

Why It’s Great: This pencil case expands and collapses based on the number of items inside, making it a versatile storage solution for pens, pencils, or even art tools. When expanded, it holds a significant number of writing instruments, and when empty, it shrinks down to a compact size. It’s a functional item for students, artists, or anyone in need of on-the-go storage.

• Materials to Use:PLA, PETG
• Printing Notes:Use flexible materials for smooth expansion and contraction, or print hinges to enable functionality.
• Example Uses:Perfect for school, office, or art supplies storage.
• Model URL:MagicExpand Pencil Case

5. Foldable Phone Stand (Automatic Arms)

Why It’s Great: This foldable phone stand is an ingenious solution for hands-free phone use. It features automatic arms that adjust to hold phones of different sizes, making it versatile for all users. The stand folds down into a compact form for easy storage or portability, making it ideal for travel, watching videos, or video conferencing.

• Materials to Use: PLA, PETG
• Printing Notes: Use a high infill for the automatic arms to ensure durability and strength. Consider printing with a higher resolution to avoid any friction between moving parts.
• Example Uses: Great for hands-free video watching, video calls, or use as a desktop phone holder.
• Model URL: Foldable Phone Stand (Automatic Arms)

6. Print In Place PCB-Holder / Gripper

Why It’s Great: This print-in-place PCB holder is an excellent tool for electronics enthusiasts. It holds printed circuit boards (PCBs) securely while you solder or test them. The gripper mechanism allows for quick and easy adjustments without the need for assembly, making it incredibly convenient for prototyping and repairs.

• Materials to Use: PLA, PETG, ABS
• Printing Notes: Ensure smooth layer adhesion to prevent parts from sticking together during the print-in-place process.
• Example Uses: Useful for holding PCBs during soldering, testing, or repair work.
• Model URL: Print In Place PCB-Holder / Gripper

7. Block Pill Box

Why It’s Great: This pill box is a practical storage container that allows you to organize and store your daily medications or supplements. Its block-like design is not only visually appealing but also functional, as the compartments are easy to access and close securely. Ideal for home use or carrying with you when traveling.

• Materials to Use: PLA, PETG
• Printing Notes: Use high infill for added strength and durability. Ensure the lids fit securely without being too tight.
• Example Uses: Organizing daily medications, vitamins, or supplements.
• Model URL: Block Pill Box

8. Universal Filament Clip

Why It’s Great: The universal filament clip is a simple yet incredibly useful tool for anyone who uses 3D printers regularly. It helps keep the filament tidy and prevents it from unwinding or tangling between prints. The clip can be attached directly to the spool, making it a hassle-free solution for organizing your printing setup.

• Materials to Use: PLA, PETG
• Printing Notes: A quick and easy print, no special settings required, but ensure strong layer adhesion for long-lasting clips.
• Example Uses: Keeping filament spools organized and preventing tangles.
• Model URL: Universal Filament Clip

9. Crystal Xbox One Controller Holder

Why It’s Great: This sleek and stylish holder is designed to display and store your Xbox One controller. The crystal-clear design gives it a modern look, while the functional stand keeps your controller securely in place when not in use. It’s perfect for gamers who want to keep their setup organized and looking sharp.

• Materials to Use: Transparent PETG or PLA for a crystal-clear effect.
• Printing Notes: Print slowly for the best transparency and ensure the stand is stable to support the controller.
• Example Uses: Displaying and storing Xbox One controllers.
• Model URL: Crystal Xbox One Controller Holder

10. Adjustable PCB Holder Tool

Why It’s Great: This adjustable PCB holder tool is designed for those working with electronics. It holds circuit boards in place while you solder or test them, and the adjustable arms ensure it can accommodate a variety of board sizes. The tool is fully customizable and can be adapted to suit specific needs, making it a versatile addition to any workshop.

• Materials to Use: PLA, PETG, ABS
• Printing Notes: Print at a higher infill for durability, especially if you’ll be adjusting the arms frequently.
• Example Uses: Holding PCBs during electronics work, soldering, or testing.
• Model URL: Adjustable PCB Holder Tool

11. Scraper v1

Why It’s Great: This scraper tool is perfect for removing prints from your 3D printer’s build plate. The ergonomic handle provides a comfortable grip, and the blade is designed to easily slide under prints without damaging the surface. It’s a simple but essential tool for anyone who regularly uses a 3D printer.

• Materials to Use: PLA, ABS
• Printing Notes: Print with a strong infill for durability, especially in the handle area.
• Example Uses: Removing 3D prints from the build plate.
• Model URL: Scraper v1

12. V-Spooler

Why It’s Great: This filament spool holder is designed to improve the stability of filament spools while printing. Its unique design ensures the filament unwinds smoothly, reducing the chance of tangling or jamming during a print. It’s a valuable accessory for any 3D printing setup, improving overall print quality by minimizing filament resistance.

• Materials to Use: PLA, PETG
• Printing Notes: Use a durable filament like PETG to ensure longevity, especially under constant use.
• Example Uses: Holding and organizing filament spools for 3D printing.
• Model URL: V-Spooler

13. Pastamatic Filament Spool Winder for Bambu X1C/P1P AMS

Why It’s Great: Designed specifically for the Bambu X1C/P1P AMS system, this spool winder makes it easy to wind and organize your filament spools. The design helps ensure a smooth winding process, reducing the chance of tangles or knots that can interfere with printing.

• Materials to Use:PLA, PETG
• Printing Notes:High infill recommended for durability, especially in the winding mechanism.
• Example Uses:Winding filament spools for smoother printing.
• Model URL:Pastamatic Filament Spool Winder

14. Dum-E the Handy Desk Buddy (Lamp, Stand, Holder)

Why It’s Great: Inspired by the robot from Iron Man, Dum-E is a multi-functional desk companion that acts as a lamp, stand, and holder. It can hold small tools, gadgets, or even your phone, while providing a stylish look to your workspace. Its charming design and practicality make it a perfect addition to any desk setup.

• Materials to Use: PLA, PETG
• Printing Notes: Print at a slower speed for fine details, especially for moving parts like the arms.
• Example Uses: Holding tools or gadgets, as well as acting as a desk lamp.
• Model URL: Dum-E the Handy Desk Buddy

15. AMS Dry Pods Wide, Narrow, Hygro, Trays, & Funnel

Why It’s Great: This set of dry pods, trays, and funnels is ideal for keeping filament dry in your AMS (Automatic Material System) setup. Designed with multiple sizes and shapes, it helps extend the lifespan of your filament by preventing moisture absorption, which can lead to poor print quality.

• Materials to Use: PLA, PETG
• Printing Notes: Ensure an airtight fit for optimal moisture control.
• Example Uses: Keeping 3D printer filament dry and in optimal condition.
• Model URL: AMS Dry Pods

16. Compact Poop Bucket S (A1, A1 Mini)

Why It’s Great: This compact bucket is specifically designed for the AMS Lite system on the Bamboo AI Mini. It offers an efficient, space-saving solution for managing filament waste. Its compact size ensures it fits neatly into your setup, and the secure lid helps prevent messes. The bucket is easy to clean and maintain, making it a practical accessory for keeping your 3D printing area tidy.

• Materials to Use:PLA, PETG
• Printing Notes:Print with high infill for durability and a watertight seal for the lid.
• Example Uses:Portable waste container for pet owners.
• Model URL:Compact Poop Bucket S

17. Ultimate Filament Spool Enclosure for AMS Lite

Why It’s Great: This filament spool enclosure is designed to keep your filament clean and dry, especially in humid environments. Compatible with AMS Lite, it ensures that your filament stays in optimal condition, reducing the likelihood of print failures due to moisture exposure.

• Materials to Use:PLA, PETG
• Printing Notes:Ensure a tight fit for the enclosure to keep out moisture.
• Example Uses:Storing filament spools in dry, optimal conditions.
• Model URL:Ultimate Filament Spool Enclosure

18.Screwfinity Unit 2U Medium – The Gridfinity Storage Unit

Why It’s Great: The Screwfinity Unit 2U Medium is an upgraded version of the Gridfinity Storage Unit, providing more storage space and improved modularity. It’s designed to fit seamlessly into the Gridfinity ecosystem, allowing you to organize screws, bolts, and other small components efficiently. The medium size makes it ideal for users who need more space without sacrificing compactness. Its snap-fit design ensures it stays securely stacked with other Gridfinity units.

• Materials to Use:PLA, PETG
• Printing Notes:Print with moderate infill (around 20%) for strength, especially around the walls and base for sturdiness.
• Example Uses:Storing screws, nuts, bolts, and small tools in an organized, stackable system.
• Model URL:Screwfinity Unit 2U Medium

19. Mechanical Dice

Why It’s Great: This unique mechanical dice offers a functional and fun 3D print project. Its intricate internal mechanics allow it to function just like a traditional dice, but with a design twist that adds an extra level of complexity and fun to any game night.

• Materials to Use: PLA, PETG
• Printing Notes: Print with a high level of precision to ensure smooth movement of the internal mechanisms.
• Example Uses: Great for tabletop games or as a conversation piece.
• Model URL: Mechanical Dice

20.Multi-board Tile Starter Pack

Why It’s Great: The Multiboard Tile Starter Pack offers a versatile and customizable solution for organizing small tools, electronic components, and accessories. Each tile is designed to fit into a modular grid system, allowing you to arrange them as needed. The tiles are perfect for creating a personalized workspace, making it easy to store and access various items. Their snap-fit design ensures secure placement, while the smooth surface can be easily cleaned and maintained.

• Materials to Use:PLA, PETG
• Printing Notes:Use 15-20% infill for durability, especially in the tile and grid areas. Ensure dimensional accuracy for a proper fit with other tiles in the system.
• Example Uses:Organizing electronic components, small tools, and craft supplies.
• Model URL:Multiboard Tile Starter Pack

Creating Your Own Functional 3D Prints

Designing your own functional 3D prints can be a rewarding experience that allows you to solve unique problems and bring your ideas to life. Here's a step-by-step guide to help you get started:

1. Identify a Need or Problem

• Look around your home, office, or workshop for inspiration
• Think about everyday inconveniences that could be solved with a custom object
• Consider improvements to existing products

2. Brainstorm and Sketch Your Ideas

• Use paper and pencil to rough out your designs
• Consider different approaches to solving the problem
• Think about ergonomics, aesthetics, and functionality

3. Learn 3D Modeling Software

Choose a 3D modeling software that fits your skill level:

• Beginner-friendly options: Tinkercad, BlocksCAD
• Intermediate: Fusion 360, OnShape
• Advanced: Blender, SolidWorks

Tips for learning:

• Start with tutorials and online courses
• Practice regularly with small projects
• Join online communities for support and inspiration

4. Design Your 3D Model

Key considerations:

• Keep your design simple at first
• Consider the limitations of 3D printing (overhangs, support structures, etc.)
• Design for strength where needed (add fillets, adjust wall thickness)
• Think about assembly if your design has multiple parts

5. Optimize for 3D Printing

• Ensure your model is "watertight" (no gaps in the mesh)
• Orient your model for optimal printing (minimize support materials)
• Consider splitting large designs into smaller, printable parts

6. Test and Iterate

• Start with a prototype or scaled-down version
• Test your print thoroughly
• Gather feedback from others
• Make improvements based on your findings

7. Share Your Design

• Consider uploading your design to platforms like Thingiverse or Printables
• Document your design process and provide clear instructions
• Engage with the community and gather feedback

8. Expand Your Skills

As you become more comfortable with 3D design:

• Experiment with more complex geometries
• Learn about mechanisms and moving parts
• Explore advanced techniques like threads or snap-fit joints

FAQ

What are some of the most useful 3D printed items?

• Cable organizers for reducing clutter in workspaces and entertainment centers
• Custom tools and replacement parts for household appliances
• Prosthetic limbs and medical models for healthcare applications
• Architectural models and prototypes for design visualization
• Educational aids like molecular models or historical artifacts replicas

What are the most popular 3D printing technologies?

• FDM (Fused Deposition Modeling): Most common for hobbyists and small businesses
  • Pros: Affordable, wide range of materials
  • Cons: Lower resolution, visible layer lines
• SLA (Stereolithography): Known for high-detail prints
  • Pros: Excellent for fine details, smooth surface finish
  • Cons: More expensive, limited material options
• SLS (Selective Laser Sintering): Used in industrial applications
  • Pros: No need for support structures, strong parts
  • Cons: Expensive equipment, limited material options

What is functional 3D printing?

• Definition: Creating objects that serve a practical purpose beyond aesthetics
• Applications:
  • Producing functional prototypes for product testing
  • Manufacturing end-use parts for various industries
  • Creating custom tools and fixtures for manufacturing
  • Fabricating replacement parts for machinery or electronics
• Benefits:
  • Rapid iteration and prototyping
  • Cost-effective for small production runs
  • Ability to create complex geometries not possible with traditional manufacturing

What are some popular 3D printed items for sale?

• Customized phone stands and holders
• Unique jewelry and accessories
• Board game pieces and organizers
• Decorative planters and vases
• Custom keychains and personalized gifts

What are some emerging trends in 3D printing?

• Multi-material printing for enhanced functionality
• Large-scale 3D printing in construction and architecture
• Bioprinting for tissue engineering and drug testing
• Metal 3D printing for aerospace and automotive industries
• Sustainable materials and recycling initiatives in 3D printing