Ever fired up your 3D printer, only to stare at the screen, wondering what should I print next? We’ve all been there. Sure, your printer is capable of some pretty amazing things, but finding cool stuff to 3D print—that’s the real challenge. You don’t want to waste time and filament on boring designs or things that just gather dust, right? You’re here for cool 3D prints that are not only fun but also useful.
Well, guess what? You’re in the right place! Whether you’re looking for something practical, decorative, or just plain awesome, I’ve got you covered. Let’s dive into a world of cool 3D printables that’ll make you fall in love with your printer all over again.
From tiny tools you didn’t know you needed to mind-blowing decor pieces, this guide will help you turn your printer into a creative powerhouse.
50 Cool 3D Print Ideas You Need to Try
Here’s our curated list of 50 awesome cool 3D printed stuff projects, starting with some of the most innovative designs available today:
1. Voltron: Defender of the Universe
Designer: 3Dworkbench
Calling all anime fans! The Voltron STL lets you build and assemble the iconic Defender of the Universe, complete with lions and the blazing sword. Designed for both single and multimaterial FDM printers, this cool 3D printable combines functionality and nostalgia.
2. Glade Mystic Deer – Presupported
Designer: Dragon Trapper Lodge
If you’re a fan of fantasy-themed designs, the Glade Mystic Deer is a must-have. With intricate detailing and both presupported and unsupported versions available, this model is perfect for experienced 3D printing enthusiasts. Use it as a decorative piece or part of a diorama—it’s guaranteed to be a showstopper.
3. Fish Bot
Designer: Whale 3D Studio
The Fish Bot is a detailed robotic fish model, perfect for fans of futuristic designs. With multiple parts and assembly instructions, it’s a fun project for SLA or FDM printing enthusiasts. Use it as decor or a creative conversation piece.
4. Torture Spider, 3D-printer torture test – overhangs-cooling-retraction
Designer: Criticalprint3d
This cool 3D printable torture test looks as creepy as it is functional! The articulated legs and lifelike details make it a perfect print for testing overhangs, cooling, and retraction. With its striking black-and-red design, it’s both a challenging print and a fun display piece. Best of all, it’s free!
5. Dragon Playing with the Pearl (Automata)
Designer: AMAO CHAN
Celebrate the Year of the Dragon with this mechanical automaton. The dragon “plays” with a pearl as you turn the crank, creating a mesmerizing motion. This cool 3D print is perfect for festive decor or as a thoughtful gift for dragon lovers.
6. Cute Chicken Cable Holder
Designer: Whale 3D Studio
This adorable chicken cable holder is both functional and decorative. Perfect for organizing cables while adding a pop of cuteness to your workspace, it’s a great gift idea for colleagues or friends.
If you’re new to 3D printing or need inspiration, check out this blog on Best Things to 3D Print and Sell. It can help you find projects that match your skill level and interests.
7. Xenosleeper
Designer: ETmodelstudio
For Alien enthusiasts, the Xenosleeper is an incredible choice. This dormant alien creature, with its coiled tail and menacing aura, doubles as an art piece and conversation starter. With multiple formats and Phrozen Verified pre-supported files, this is the coolest 3D print for sci-fi fans.
8. GrimGuard Heavy Battle Tank
Designer: StationForge
The GrimGuard Heavy Battle Tank is packed with details, multiple weapon variations, and spots for magnets, making it fully customizable. With a 10-man crew included, this detailed model is perfect for creating epic battle scenes and adding cool 3D printed stuff to your collection!
9. Free Guardian Knights – Selina Thunderstrike
Designer: EvilBugs Miniatures
Selina Thunderstrike, a member of the Guardian Knights, is a meticulously detailed miniature ready for action. Her confident pose, spear, and flowing cloak make her a visually striking addition to any tabletop game or fantasy collection. This model truly represents coolest 3D prints for miniature enthusiasts.
10. Dual Colour Modular Mushroom Caps (Glow-in-the-Dark)
Designer: DaveMakesStuff
Bring a magical touch to your space with these glow-in-the-dark mushroom caps. Designed for dual-color printing, these modular caps are compatible with other mushroom sets, allowing you to create a glowing forest in your home. The dense infill ensures maximum glow, making this one of the most unique cool 3D printed stuff you can create.
11. Facehugger Finger and Overgo – Creepily cool
Designer: AX Digital Art
Looking for a cool 3D print? This hyper-detailed Facehugger wraps around your finger with a realistic, eerie design straight out of sci-fi. Pre-supported and unsupported STL options make it easy to print on popular printers like Mighty 12K and Mega 8K.
12. Lotus Blossoms Flourish
Designer: Uncle Ray 3D Print
Symbolizing purity, the Lotus Blossoms Flourish is an elegant cool 3D printed stuff piece that spins open like a blooming flower. Use it as a decorative ornament or a soothing fidget gadget. Its intricate design and functional aesthetic make it an excellent centerpiece for any room.
13. Triceratops vs. T-Rex Automata
Designer: AMAO CHAN
Step back into prehistoric times with this epic automata featuring a T-Rex and Triceratops battling it out. The two dinosaurs can operate independently or synchronously, making this one of the most engaging cool 3D printables for dinosaur enthusiasts. The intricate mechanics are as fun to build as they are to watch in action!
14. AIRLESS STAR BALL – SOCCER BALL WITH STAR – CHAMPION LEAGUE BALL
Designer: Whale 3D Studio
This durable and bounce-friendly soccer ball is designed for practicality and fun. With no need for inflation, it’s perfect for outdoor activities and ensures worry-free play. It’s a standout among 3D printing cool stuff for its functionality and innovation.
15. Print-in-Place Cute Cat Pencil Holder
Designer: Uncle Ray 3D Print
Add a touch of charm to your desk with this adorable print-in-place pencil holder. This cool stuff 3D print design requires no support and is perfect for organizing your stationery while bringing a smile to your face. It also makes for a great, easy 3D print to try.
16. KV-Vehicle-001 Space Vehicle
Designer: KV3D-Design
Sci-fi enthusiasts, rejoice! The KV-Vehicle-001 is a detailed cool 3D printed stuff model that brings space exploration dreams to life. With 9 intricately designed parts, this futuristic vehicle is a must-have for anyone with a love for intergalactic designs.
17. Cute Cloud Tissue Box
Designer: Whale 3D Studio
A whimsical addition to your home, this cute tissue box features happy and sad cloud faces, bringing a playful twist to everyday functionality. Its unique multicolor design makes it a standout among cool 3D printables for decor and gifting purposes.
18. TPMS Trees
Designer: DaveMakesStuff
Bring a touch of mathematical beauty to your decor with these tree-shaped designs featuring Triply Periodic Minimal Surfaces. Use them as tealight covers or thread them with inserts to create unique displays. These trees are not only aesthetically pleasing but also a testament to innovative cool stuff 3D print designs.
19. Spider Venomous Scaler
Designer: EvilBugs Miniatures
This venomous spider with articulated legs and a carapace design is perfect for fans of fantasy creatures. With both supported and unsupported STL files, it’s a cool stuff 3D print that’s as eerie as it is captivating.
20. Socratis Infantry Painting Guide + Model
Designer: StationForge
Dive into painting miniatures with this detailed guide and infantry model. The Socratis Infantry stands out for its intricate armor and dynamic pose. It’s a perfect cool 3D printed stuff addition for anyone looking to sharpen their painting skills while building an army.
21. Heartbeat Vases
Designer: DaveMakesStuff
Transform your living space with these stunning Heartbeat Vases. The design mimics ripples of a heartbeat, creating a mesmerizing effect that’s perfect for modern homes. Available in small, medium, and large sizes, these vases print easily without supports. They’re not just cool 3D printables, but also elegant pieces that can elevate your interior décor.
22. Chain Link Gridfinity Bins (Single Unit)
Designer: DaveMakesStuff
Upgrade your workspace with these modular storage bins. Compatible with the popular Gridfinity system, these bins are ideal for organizing your tools, gadgets, or stationery. With no supports required, they’re a practical addition to your collection of cool 3D printed
23. CUTE PIKACHU CROCHET KNITTED – KEYCHAIN & PIGGY BANK – MULTICOLOR
Designer: Whale 3D Studio
Calling all Pokémon fans! This adorable Pikachu combines the charm of crochet design with the functionality of a piggy bank and keychain. Easy to print and multicolor-ready, it’s a delightful cool 3D print that makes an ideal gift or collectible.
24. Tomato Basket
Designer: DaveMakesStuff
Practicality meets aesthetics with this Tomato Basket. Its intricate double-strand weave design keeps your tomatoes fresh and stylishly organized. Scale it up for larger tomatoes or use it as a multipurpose basket. This is the epitome of 3D printing cool stuff—simple, functional, and beautiful.
25. Arachnibeast – Dark Gods
Designer: Dark Gods
Dive into the dark and mysterious with the Arachnibeast. This free STL model is part of a fantasy-themed collection, making it a fantastic option for tabletop gamers or collectors of mythical creatures. If you’re into 3D printing cool stuff, this spider-themed model is a must-try.
26. Cave Hydra – Presupported
Designer: Dragon Trappers Lodge
Unleash your inner dragon tamer with the Cave Hydra. This presupported model from Dragon Trappers Lodge is perfect for tabletop RPGs or as a striking decorative piece. A must-have for fans of cool 3D printables and fantasy miniatures.
27. Alien
Designer: Eric Chen
Step into a world of surreal beauty with this stunning Alien model inspired by H.R. Giger. This intricate design is a perfect example of cool stuff 3D print, blending mechanical and biological aesthetics seamlessly. Whether for display or gaming, it’s an artistic masterpiece.
28. Bleach Ichigo Hollow Mask – Movable Jaw
Designer: 3D Print Model Store
Anime fans will adore this Bleach Ichigo Hollow Mask. Designed for cosplay, this STL file features a movable jaw for added realism. It’s an ideal project for Halloween, conventions, or any costume event. Talk about cool 3D printables!
29. Chinese Puzzle Ball (Plain)
Designer: DaveMakesStuff
Inspired by the traditional Chinese Puzzle Ball, this print-in-place fidget toy is a mesmerizing addition to your collection. Its interlocking spheres spin effortlessly, making it one of the coolest 3D prints to showcase multicolor or transition filaments. This fun and intricate design is perfect for those who enjoy unique and cool 3D printable stuff.
30. Trivet Studies
Designer: DaveMakesStuff
Bring modern art into your kitchen with these geometric Trivet Studies. Featuring textile-inspired designs, they’re perfect for protecting surfaces from hot dishes. Just make sure to check your filament’s heat tolerance! These are practical and coolest 3D prints for everyday use.
31. Pokeball Charger Stand
Designer: Whale 3D Studio
Elevate your charging station with the Pokeball Charger Stand, a must-have for Pokémon fans and gadget enthusiasts alike. This cool 3D print design combines style and utility, making it perfect for cable and MagSafe chargers. The print-in-place design requires no supports, ensuring an easy and hassle-free printing process. Add a touch of nostalgia and functionality to your setup with this cool 3D printed stuff.
32. Hinges – Print in Place
Designer: Criticalprint3d
If you’re looking for durable and functional hinges, these print-in-place hinges are perfect. Designed with precision, they are self-centering and ideal for various applications, such as doors or panels. This cool 3D printable includes versions with decorative corners and varying tightness for flexibility. With high cooling and a 0.15mm layer height, this is a cool 3D print for practical users.
33. Complex Barrel Cam Shape Drawing Machine
Designer: DaveMakesStuff
Dive into the world of mechanical ingenuity with the Complex Barrel Cam Shape Drawing Machine. This 3D printing cool stuff demonstrates how barrel cams can encode and reproduce complex movements. Perfect for hobbyists or educational purposes, this intricate project is both a challenge and a showcase of advanced printing capabilities.
34. Cute Cat Knitted Crochet – STL & 3MF Multicolor
Designer: Whale 3D Studio
Cat lovers, this one’s for you! This model combines the timeless charm of crochet design with the versatility of 3D printing. Use it as a piggy bank, keychain, or adorable decoration. It’s a unique cool 3D printed stuff that makes a great gift or personal keepsake.
35. Keycap Spiderman
Designer:1340Factory
Add a superhero touch to your keyboard with the Keycap Spiderman. Designed for MX Cherry stems and clones, this stylish keycap lets you bring your love for Marvel into your everyday workspace. It’s a cool stuff 3D print that combines fandom and functionality for tech enthusiasts.
36. 5 Print-in-Place Bracelets and Necklaces
Designer: DaveMakesStuff
Create stylish accessories with this set of print-in-place bracelets and necklaces. These versatile cool 3D printables include sizes for both children and adults. The modular beads allow for customization, making it perfect for those looking to add a personal touch to their wardrobe.
37. Robb Stark Crown Cosplay
Designer: 3DPrintStoreSTL
Step into the world of Westeros with the Robb Stark Crown. Designed for cosplay enthusiasts, this coolest 3D printed stuff delivers Game of Thrones fans a detailed, screen-accurate prop. Use it as part of your costume or a collectible piece to celebrate your fandom while exploring cool 3D printables.
38. Crochet Spider Flexi – Articulated with Magnet
Designer: Whale 3D Studio
Spooky meets cute with the Crochet Spider Flexi, a fully articulated design featuring a crochet pattern. This cool 3D print is print-in-place and magnet-compatible, making it a versatile decoration or fidget toy. Perfect for Halloween or everyday fun, it’s a quirky addition to any collection.
39. Spring Bulbs
Designer: DaveMakesStuff
Add an artistic flair to your lighting with the Spring Bulbs, a set of LED covers featuring intricate mathematical designs. These coolest 3D prints cast stunning shadows and are compatible with low-temperature LED lights. Perfect for creating a unique ambiance, this design is a standout in 3D printing cool stuff.
40. Fischer-Koch C(Y) Lampshade
Designer: DaveMakesStuff
Transform your space with the Fischer-Koch C(Y) Lampshade, a sleek design derived from complex mathematical surfaces. This cool 3D printable lampshade offers both aesthetic appeal and functionality, making it ideal for modern home decor. Be sure to use a low-temperature light source for optimal results.
41. Werewolf Barbarian – Ariana Grey
Designer: DM Stash
This cool 3D print brings Ariana Grey, a fierce Werewolf Barbarian, to life with exceptional detail. With pre-supported and non-supported STL options, this 3D model ensures versatility for various printers. Perfect for tabletop gaming or as a standalone collectible, it is a must-have for fans of fantasy figures and coolest 3D prints enthusiasts. Dive into the world of 3D printing cool stuff like this and elevate your collection.
42. Lanfear The Harpy Queen – Dark Gods
Designer: Dark Gods
Dark and majestic, Lanfear the Harpy Queen is a standout among cool 3D printables. With her detailed wings, menacing pose, and dark magic aura, this STL is an ideal choice for those who enjoy printing coolest 3D printed stuff. Whether you’re expanding your tabletop RPG miniatures or looking for 3D printing cool stuff, this figure doesn’t disappoint.
43. Captive Gemstone Containers
Designer: DaveMakesStuff
For a mix of practicality and beauty, these Captive Gemstone Containers are a cool 3D print. With rotating, multicolor faceted gemstones inside, this design merges form and function, making it perfect for cool stuff 3D print projects. Add an artistic touch to your workspace or gift it to someone who loves elegant yet functional designs.
44. Anatomical Heart Puzzle
Designer: DaveMakesStuff
Challenging yet rewarding, this Anatomical Heart Puzzle is one of the coolest 3D prints for enthusiasts who enjoy intricate designs. Its 20-piece icosahedron-based geometry ensures it’s as fun to assemble as it is to display. This STL is ideal for those looking for cool stuff 3D printables with a unique twist, perfect as a gift or a conversation starter.
45. Ball Gear Fidget Toy
Designer: Whale 3D Studio
Reduce stress with this satisfying Ball Gear Fidget Toy. This cool 3D printable comes with a seamless print-in-place design, making it an excellent project for beginners or those exploring 3D printing cool stuff. Its intricate mechanics and ease of assembly make it both fun to print and functional to use.
46. Batman Signal LED Tea Light
Designer: Criticalprint3d
Illuminate your room with the Batman Signal LED Tea Light. This cool 3D print combines creativity and functionality, doubling as a night lamp with intricate designs. Perfect for superhero fans, this design offers a fun and practical 3D printing cool stuff option, suitable for gifting or personal use.
47. Modular Candy Dispenser – Voronoi Base and Reservoirs
Designer: DaveMakesStuff
Take your snack game to the next level with the Modular Candy Dispenser featuring a stunning Voronoi base. Compatible with various candy reservoirs, this cool 3D printed stuff is perfect for parties or office setups. It’s practical and visually appealing—a great addition to your 3D printing projects.
48. Skull Bulbs
Designer: DaveMakesStuff
Bring some spooky charm to your decor with Skull Bulbs. Whether used as ornaments or LED holders, these cool 3D prints stand out for their intricate design. Ideal for Halloween or as unique lighting solutions, these bulbs are a great example of 3D printing cool stuff that blends creativity with functionality.
49. Cute Hamster Pen Holder
Designer: 3DJPDESIGNS
Organize your desk with this adorable Cute Hamster Pen Holder. This cool 3D printable not only keeps your pens tidy but also adds charm to your workspace. With multicolor STL options, it’s an easy-to-print and versatile design that showcases cool stuff 3D print projects.
50. Bulbasaur Keycap Switch Fidget Toy
Designer: Whale 3D Studio
The Bulbasaur Keycap Switch combines fandom and functionality. Use it as a keycap or a fidget toy with Cherry MX compatibility, making it a cool 3D print for Pokemon lovers. With its vibrant colors and seamless assembly, it’s one of the coolest 3D printed stuff for personal use or gifting.
Start Your 3D Printing Journey Today
The beauty of 3D printing lies in its versatility and accessibility. Whether you’re creating cool stuff to 3D print for your home, office, or hobbies, you’re not limited to what’s available in stores. Instead, you can customize and personalize your designs to suit your preferences.
Whether you’re looking for a functional gadget, an artistic centerpiece, or just fun things to 3D Print, these 50 designs offer a glimpse into the endless potential of 3D printing cool stuff. Explore, experiment, and create—the only limit is your imagination.
Which of these cool 3D printables caught your eye? Let us know in the comments below, and share your creations on social media to inspire others!