Lego is all about experimenting with possibilities. You can build a set according to the instructions, or you can improvise and go off the beaten path to make something new. 3D printing Lego means that, if for some reason you can’t find a specific piece, you can print a replica at home. Or, you could scale up the parts of your favorite set, making a giant Lego model. The possibilities abound!
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With minifigures, bricks, gears, and axles, Lego and 3D printing make a great match, opening up a whole new world of opportunities. However, in fear of losing control of the market, the Lego Group brought down unofficial Lego parts appearing online, with many of the 3D file-sharing websites suffering a crackdown on Lego-related files in late 2019. Some websites stood their ground, while others weren’t able to.
In this list, you’ll find some of the best Lego-related 3D printing projects still out there.
Minifigures, Characters, & Accessories
To start our list, we’ve found some special characters that you can print. Expect a mix of familiar and new faces!
Mario
This fun theme first appeared in 2020 and was developed to celebrate the 35th anniversary of the Super Mario game. You will find both Mario and Luigi, each divided into 13 parts, which have to be fitted together. We imagine that you have a favorite, but this duo is inseparable, right?
You’ll also find the model of the kart by the same designer, so there will be nothing missing to make the fun complete.
Among the various comments from the different repositories, there are compliments both for the ease of printing and assembly, as well as excellent photos of makes. Printing parameters aren’t indicated, but a few makers have specified that they used PLA and enabled supports.
- Who designed it? Soarpix
- How popular/printable is it? Over 2,000 downloads and 11 makes combined from all sites for Mario alone show that it’s a printable and popular design.
- Where to find it? Printables, Cults, Thingiverse
Mega Skeleton
As we grow up, our toys tend to get bigger, and this skeleton is no exception! Inspired by its original mini-figure, the creator designed a giant version at a 10:1 scale specifically for 3D printing. Along the way, they made several adjustments to divide it into parts while minimizing the need for supports, improving the finish, and enhancing durability, among other things.
One important note is that even though it’s a large model, it can be printed on smaller printers like the Prusa Mini, but your machine needs to be well calibrated to avoid issues with the fit of joints and pegs. In the latest update, the torso was split to make printing easier on a smaller print bed, but you can also make your own adjustments to the design files shared on OnShape.
- Who designed it? JuliaEbert
- How popular/printable is it? While over 450 makes have been shared on Printables and Thingiverse combined, MakerWorld reports over 2,900 prints!
- Where to find it? Thingiverse, MakerWorld, Printables
Battle Droid
If you’re familiar with Lego Star Wars sets, this battle droid will surely be a familiar sight. Scaled up to 400%, it’s simple to print and fits together just like the original Lego version. It can serve as a great pen holder, too!
The designer behind this model recommends printing all the parts separately for best results.
- Who designed it? CraftySven
- How popular/printable is it? This awesome droid has over 4,300 downloads, 55 makes, and 3 remixes.
- Where to find it? Printables
Zombie Minifigure
This is the perfect model for the inevitable Lego zombie apocalypse. The eyes and mouth are separate STL files, which means that any color or material combination is possible.
The designer suggests printing the eyes with glow-in-the-dark filament and using glue to fix the face parts in place if necessary. Due to the limits of FDM 3D printing, the head is much larger than the original Lego heads, so it will be necessary to print the entire body to scale.
- Who designed it? Skimbal
- How popular/printable is it? The torso and organs have been downloaded over 1,700 times, and a couple of makers have shared the gruesome results!
- Where to find this? MyMiniFactory: head, torso, standard hips, legs, and hands
Bricks Reimagined
These next models are all about innovation. Some are new shapes, while some are familiar configurations you can customize to your liking. There are also a couple of ways to expand the possibilities of your Lego creations…
Customizable Bricks
This project opens the door to creating a standard brick with any text. The creator initially made the bricks as print samples, with the filament name embedded on the brick. But you can use them to say anything!
The designer reminds makers to avoid elephant’s foot, especially if you want to stack your bricks. (Don’t we all?)
- Who designed it? Lyl3
- How popular/printable is it? With 17 makes and over 6,000 remixes, the appeal here is clearly in the customizability!
- Where to find it? Printables, Thingiverse
Duplo-to-Brio Converter
This design is a remix of another converter brick design. A simplified version, the creator designed this piece to be simple enough for a 3-year-old to use. This brick is perfect for merging two classic toy sets, adding wooden rails to your plastic empire.
The designer created this Lego piece in OpenSCAD and printed it on an UltiMaker without supports.
- Who designed it? flummer
- How popular/printable is it? There are 62 makes and 11 remixes of this clever converter, which has been downloaded over 20,000 times.
- Where to find it? Thingiverse
Trilego
Special designs like this trilego piece are prime examples of the advantages of 3D printing. This model was a long-time wish of the designer, and now, it’s possible for anyone to print their own!
There are STL files for this Lego piece in many aspect ratios, lengths, and heights. Also, a normal 2×2 brick can be attached to the bottom.
- Who designed it? canadaduane
- How popular/printable is it? There are 40 makes of this novel shape, in a range of sizes and materials.
- Where to find it? Thingiverse
Common Gear Set
One of the best things about Lego parts is that you can use them to create fully-functional mechanics. Some projects require just a few gears, while others require a massive number.
There are five different gear sizes and designs included in this set. Make sure you don’t fall short by printing all the gears you need!
- Who designed it? badBrick
- How popular/printable is it? There are 7 remixes adding even more options to the range of gears, along with 15 makes.
- Where to find it? Thingiverse
Marble Run
While not Lego pieces per se, these Lego-compatible tracks are the perfect thing to add to your creations. Make a track as long and complicated as you like with the three different pieces!
The creator designed the model in FreeCAD and printed it successfully in PLA with standard settings on a Prusa Mini.
- Who designed it? TCTeo
- How popular/printable is it? These fun marble run parts have over 3,500 views, over 380 downloads, and a make.
- Where to find it? Printables
Transportation
Figures that move (or float!) are a great addition to any Lego collection. Check out some of our favorites below!
Microquad
Take to the skies and make a quadcopter drone using Lego! These files contain the pieces to hold the motors as well as the piece at the center holding everything together.
Note that the designer advises not to use the STL files but rather to use the OpenSCAD project to alter the parameters and generate custom STL files for your own Lego quadcopter design. They also suggest printing it at 40% infill.
- Who designed it? ulflindestrom
- How popular/printable is it? There are 2 makes, 25 remixes, and a long list of positive comments for this design.
- Where to find it? Thingiverse
Jeep
With this Lego Jeep, you can not only transport your Lego minifigure troops but also show off your 3D printer’s capabilities, given the detail of the design. Inside the Jeep are standard Lego studs to keep your characters in place.
This Jeep consists of a single print that can be turned mobile by attaching a few parts, including the wheels, wheel holders, and a 2×9 Lego flat piece. Alternatively, you can print the Jeep in multiple, smaller pieces.
- Who designed it? G-point
- How popular/printable is it? This jeep design has over 1,000 downloads.
- Where to find it? Thingiverse
Mining Truck 300%
The Mining Truck 300% offers an impressive build experience for Lego fans. This behemoth of a model measures a substantial 57 cm in length and demands nearly 5 kg of filament, making it a significant challenge for builders. The model is inspired by the Lego Technic line but, as the model name says, it is scaled up three times.
While PLA is recommended for printing most of the parts, the sheer size and intricacy of the design may pose challenges for some printers and enthusiasts. Plus, you’ll want to make sure you’ve got filament in stock: The creator says it took about 5 kg to print. Because of the design and number of parts that need to fit together, you’ll want to make sure that your 3D printer is calibrated before you get started. The end result is a stunning display piece of a mining truck with remarkable detail and scale.
- Who designed it? MartinKozak
- How popular/printable is it? This giant build has been downloaded more than 2,100 times, and you can find plenty of successful makes in the comments.
- Where to find this? MakerWorld
Balloon Boat
Vehicles are some of the coolest Lego structures and assemblies out there, but there aren’t many that can move on water. This Lego boat uses a balloon attached to the designated hole on top of the ship to surge across the water. The model also has standard Lego studs, allowing you to connect any Lego figures you want.
As this boat print has to be well-sealed to stay afloat and keep the balloon air moving, it’s essential that you use three shells, as the maker recommends. The creator of this Lego vehicle also stated that they used a 15% infill density, a 0.2-mm layer height, and no supports.
- Who designed it? k-eye
- How popular/printable is it? This balloon boat has over 49,000 downloads. With 123 recorded makes and 10 remixes, you should definitely be able to print it.
- Where to find it? Thingiverse
Floating Ferry
This little printed ferry can really float! Use it to transport your Lego vehicles across the bathtub or a pool. The ramp has a working mechanism to allow loading and unloading operations while “docked”.
The studs are Lego-compatible, so you can use them to build Lego parts on top or add wheels to the bottom for some dry land playtime.
- Who designed it? TomaKoma
- How popular/printable is it? This interactive model has around 1,700 downloads and more than 180 likes on MyMiniFactory.
- Where to find it? MyMiniFactory
Home
If you want to bring more Legos into your home, these prints can help you do so! Whether as decorative or more practical additions, these Lego models are sure to delight!
Giant Lightsaber Lamp
If you’re a Star Wars fan and love 3D printing, the giant LEGO lightsaber lamp at a 10:1 scale is something you can’t miss! This project not only lights up your space with a nerdy touch, but it’s also a great example of how 3D printing can turn creative ideas into tangible reality. The use of RGB LED strips adds a customizable glow, making this lamp both decorative and functional.
To successfully print this model, use a 0.2-mm layer height with 3 walls and 15% infill. The recommended material for parts near the heat source, such as the shaft and diffuser, is PETG due to its heat resistance. The designer also includes detailed images and an animation on how to assemble this cool device, including how to add the LEDs.
- Who designed it? 3D Senju
- How popular/printable is it? MakerWorld reports that almost 1,000 makers have downloaded the design, while around the same amount have made their own version.
- Where to find it? MakerWorld
Toilet Paper Holder
Whether you want to brighten up a kid’s bathroom or just show off your love of Lego, this holder is a great idea. In addition to holding toilet paper rolls, this minifig can also hold a pen, tool, or tape rolls.
Designed with a flat backside, it can be easily attached to a wall or vertical surface, or it should be sturdy enough to stand up on its own.
- Who designed it? vvk187
- How popular/printable is it? With an amazing 116 makes and 58 remixes, people are evidently keen to make sure everything is awesome in their bathrooms!
- Where to find it? Thingiverse
Giant Cup
This is a giant Lego cup, an exact replica of the part you may find in some Lego sets. Printed in the proper materials with the right settings, it can hold some liquids, but hot ones aren’t recommended. Also, make sure that you’re using food-safe materials and check up on food-safe 3D printing facts while you’re at it!
That said, just like a real cup, it can be used for many other purposes, such as a pencil holder, desk organizer, or just as an interesting conversation piece.
- Who designed it? TotallyAddicted
- How popular/printable is it? This supersized design has been downloaded around 2,700 times across both sites, and 5 makes have been shared on Printables so far.
- Where to find it? MyMiniFactory, Printables
Minifigure Cookie Cutters
No more boring cookies! These awesome cookie cutters are perfect for holidays and birthdays, but really, you don’t need any excuse to make cookies.
The creator of these wonderful cooking tools has provided plenty of tips on how to not only successfully print them but also how to use them to make great cookies. They recommend printing at a layer height of 0.2 mm and around 20% infill, providing specific instructions for each of the 10 variations. There’s even a recipe for butter cookies! But be careful, as some of the more intricate cookie cutters might not work well with sticky dough.
- Who designed it? C47_3D
- How popular/printable is it? This fun cookie cutter has over 17 makes combined from both sites. Just think of how many cookies have been made with these!
- Where to find it? Thingiverse, Printables
Wall Hanger
If you’re looking to make your space more cheerful, colorful, and worthy of a true Lego fan, the wall hook is a great choice. These hooks can be used to hang clothes, backpacks, or even as drawer handles, and the makes show that the design appeals to both adults and children. Available in small, medium, and large versions, they can be printed quickly and offer the flexibility to choose vibrant colors that match any room and style.
To ensure high-quality printing, the designer states that supports have to be enabled, as the model requires this for proper finishing of the pieces. Materials like PLA and PETG have worked well, but it’s essential to ensure a proper fit between the parts, possibly with light sanding. Some users suggest adding a drop of glue or a second screw hole to prevent the hook from moving or coming loose, providing extra security for everyday use.
- Who designed it? andino
- How popular/printable is it? This simple and famous dot has more than 4,600 downloads, 64 makes, and 5 remixes.
- Where to find it? Printables
Giant Wreath
As kids, receiving Lego sets during the holidays was one of the best feelings. Why not relive the festive spirit with this giant wreath? The wreath is based on Lego leaves with added studs to add a colorful touch.
The creator of this model says that you can print the wreath without supports. Scaling it up by 200% in your slicer will let you achieve the scale of the wreath in the provided photos.
- Who designed it? Fuganater
- How popular/printable is it? This wreath has 132 makes and 13 remixes, bringing plenty of unique style to Christmases all around.
- Where to find it? Printables
Organizers
And for a little bit of order at home, in the office, or wherever you’ve got things that need to be organized or put away, here are a few nice ideas.
10698 Organizer
The Lego 10698 organizer is a practical addition for enthusiasts seeking efficient order. Crafted to fit within the large creative brick box, each tray accommodates half the length, effectively dividing the space for easier access during scavenging sessions. The stackable design maximizes storage efficiency, allowing users to customize their storage solutions according to their needs.
Printing it is very straightforward, as the trays require no supports or any other special feature. With a standard 0.2-mm resolution, 20% infill, and opting for PLA, you should be good to go. Using different colors to match the bricks will boost your organizing practice!
Head Container
This is another tool to help you keep items organized and neatly separated. It’s a bit smaller, but the nice thing about it is that it has a screw cap, making the contents more secure.
Note that this design can’t be scaled up automatically with slicer software, since the screw tolerances will become too loose. If you want a bigger option, the designer provides a second file for a container that’s 10 times larger than the original!
- Who designed it? ossum
- How popular/printable is it? There are over 5,300 downloads and 6 successful prints shared on MyMiniFactory.
- Where to find it? MyMiniFactory
Heart
This heart presents a charming addition to any Lego enthusiast’s collection, embodying the iconic aesthetics of the beloved brick system. Crafted in the shape of a heart, it captures the essence of Lego’s playful design while offering a practical storage solution.
Some users may find challenges with the printing process, particularly regarding supports and alignment. Part 1 should be printed upside down, while part 2 should have supports enabled. Thankfully, the designer provides detailed instructions on how to achieve excellent results.
- Who designed it? PrintChallenge
- How popular/printable is it? This romantic storage has around 500 downloads and over 30 makes.
- Where to find this? Printables
Sorting Trays
Legos are great and all, but it can be a real pain trying to find the piece you’re looking for. These sorting trays should keep those pesky little pieces off the floor, where you could step on them. Ouch!
Many people chose to stack different colors for organizational purposes as well as visual appeal. Go for a rainbow look or print a collection in one color.
- Who designed it? art_fpv
- How popular/printable is it? These sorting trays have 25 makes and more than 1,900 downloads.
- Where to find it? Printables
Box
This box is a versatile storage solution tailored for Lego enthusiasts seeking efficient organization. Partitions with varying sizes enable users to neatly divide sets of parts by sizes, facilitating easy access during building – and putting away – sessions. So, if the trays above won’t see to all your Lego storing needs, these boxes might.
The model is easy to print. Standard settings should suffice, and you don’t need to worry about supports. An additional aid, or just to add more pizzazz, would be printing in colors matching the brick colors, enhancing the overall organization process. And because of the modular design, you can 3D print as many boxes as you want and pile them up!
Display
Looking to show off your characters, minifigs, or builds? Here are a few projects to display your designs!
Minifigure Display Stand
Due to the small width and length dimensions of a Lego minifigure’s feet, it can be hard to keep a character standing. This 3D printable display stand has a 2×4 stud width and two or four (depending on the variation) studs that can attach to a minifigure. This gives the Lego characters a larger base to stand on, making them less likely to fall over while on display.
The creator of this design recommends using a 0.16-mm or lower (for finer detail) layer height. They also listed that they used a 20% infill density with supports activated but no raft.
- Who designed it? Idee_Design
- How popular/printable is it? This Lego minifig display stand has 2 recorded makes, 1 remix, and over 1,000 downloads.
- Where to find it? Thingiverse
Angled Stand
For your creations that look better flying through the air, this Lego-compatible support should help you achieve a more dynamic display! The model features a ring base and a protruding arm with a 2×2 stud plate for mounting. The designer provides two variations of the model: one with the plane of the stud plate on an incline and the other simply horizontal.
- Who designed it? MakerLab
- How popular/printable is it? This Lego support piece has 18 makes and over 640 downloads.
- Where to find it? Printables
Ball & Socket Stand
This part will allow you to display any Lego vehicle or even a minifig in a dramatic action pose. It has a ball-and-socket joint in the middle and a 2×2 Lego brick as the receiving end, both created as remixes.
This was made to go on top of a monitor, but you can modify it for any flat surface.
- Who designed it? OneEyeSheepdog
- How popular/printable is it? While no one has shared a print, there are over 570 downloads. The designer’s photos show the great possibilities of this clever mount.
- Where to find it? MyMiniFactory
Wall Mounts
Sometimes, there isn’t enough shelf or tabletop space for your Lego creations. In that case, we’ve got you covered with this awesome Lego-compatible wall display mount.
It has studs that work with Lego bricks, so putting up your favorite builds shouldn’t be an issue! Note that the designer recommends printing the mounts vertically to prevent the studs from deforming.
- Who designed it? lvlobius
- How popular/printable is it? The mount has 9 makes, 7 remixes, and over 14,000 downloads!
- Where to find it? Thingiverse
Hexagonal Display
As your minifig army grows, you’ll need some way to stay organized. Keep your figures in line with this cool wall-mounted display system. Due to its hexagonal shape, you can form the display in various configurations. The dovetail joints allow for the gradual expansion of the display.
Display Shelf
Meant to show off your Lego minifigs, this project allows to choose a shelf that can be screwed or taped to your wall.
The designer recommends printing the mounts vertically in order to ensure the minifigs stay attached correctly to the mount. It’s also recommended to print these on FDM printers, as the brittleness of resin might cause an issue.
- Who designed it? lvlobius
- How popular/printable is it? There are four different designs to choose from, and two makes have been shared. Each design has over 3,000 downloads.
- Where to find it? Thingiverse
Miscellaneous
These last few Lego models didn’t fit in any of the previous categories but were too cool to leave off the list!
Heart Keychain
What do you do when you’re a huge Lego fan with lots of keys and only one large bag? You guessed it: Lego keychains!
This creative design is not only fun but also practical for keeping your various keys together – and to separate them as needed, too. The model is perfect for gifting to friends and family, adding a personalized touch to your keychain, which can combine several pieces or even two halves that, when joined, form a perfect heart.
The recommended setup includes 0.12-mm layers with 2 walls and 15% infill, and many users recommend printing in PLA and adjusting the precision of the piece so that the halves fit better. Some reports mention the need for small adjustments to ensure the pieces fit snugly, but the designer’s revised version already includes improvements in this regard.
- Who designed it? Scott-3d
- How popular/printable is it? MakerWorld reports that over 500 makers have downloaded and printed the lovely design!
- Where to find it? MakerWorld
Calibration Cube
We all know and love the great calibration cube, a fantastic way to tune our 3D printers. However, they can really pile up after a while. Why not make them stackable like Legos? It’s the perfect system to keep the area around your 3D printer decluttered and aesthetically pleasing.
The creator used a 0.2-mm layer height, 10% infill, and no supports or rafts to print their cubes.
- Who designed it? EnginEli
- How popular/printable is it? This creative model has 6 makes, 5 remixes, and over 19,000 downloads.
- Where to find it? Thingiverse
Giant Crystal
In the grand scheme of Lego parts, the crystal is a pretty unique model that definitely looks awesome when scaled up. It makes for a great desk ornament or shelf accessory, and you can print them in a wide range of colors and sizes to fit whatever look you’re going for.
The creator used a 0.2-mm layer height and 10% infill, but we’re sure most configurations will work with this model. The makes in glow-in-the-dark and dual-color PLA are especially worth checking out for inspiration!
- Who designed it? TotallyAddicted
- How popular/printable is it? This scaled up model has over 1,200 downloads and 42 makes.
- Where to find it? Printables
Ruler
If you’re taking on a large Lego project or set, it can sometimes be a pain to check whether you always have the right piece. This ruler, which is based on the original one from Lego, allows you to measure height, stud count, hole count, and axle length. It should save you from having to eyeball the size of each Lego you need!
The creator recommends printing with two colors to make the numbers stand out.
- Who designed it? NiraCreationz
- How popular/printable is it? This model has over 2,800 downloads and 78 makes, so it’s definitely printable!
- Where to find it? Printables
License: The text of "Lego 3D Print/STL Files: 35 Cool Pieces & Minifigures" by All3DP is licensed under a Creative Commons Attribution 4.0 International License.