Rumor has it that you’re on the lookout for the best alien 3D models. We get it – You might be a sci-fi fan, a tabletop gamer, or a collector, finding finding high-quality alien 3D models for printing can be a challenge. Many STL files lack intricate details, while others don’t print well without extensive modifications.
The good news? You don’t have to spend hours searching for printable alien miniatures or tweaking settings for a perfect print. We’ve rounded up 10 of the best alien STL files—from Xenomorph-inspired designs to space-themed 3D models—so you can create stunning prints right from home.
Whether you need terrifying creatures for a diorama or epic figures for your next board game campaign, we’ve got you covered.
Let’s dive into the 10 top-rated alien 3D print files!
The 10 Best Alien 3D Models
Here’s a list of the 10 best alien 3D models we’ve carefully curated for you.
1. Xenosleeper

Designer: ETmodelstudio
Inspired by the popular Alien movies, this alien 3D print is as eerie as it is stunning. Featuring a coiled tail and a highly detailed alien model, the Xenosleeper exudes a sense of dormant terror.
Perfect for fans of alien figurines STL files, this 3D printable alien doubles as an artistic showpiece.
2. Alien Offspring

Designer: Denys Vasylenko
If you seen the popular Alien movie, you’d know this is the final boss, the protagonists encounters, and boy, this 3D alien model looks just as terrifying. As you can see, the Alien Offspring features blends of human and Xenomorph traits, resulting in a grotesque, bio-engineered terror.
If you’re searching for an alien Xenomorph STL, this 3D print alien is one of the best 3D alien models out there and will be a terrifying addition to your collection.
3. Xenomorph bust

Designer: ETmodelstudio
If you have been searching for the best 3D alien models, particularly those featuring detailed 3D alien head designs, this Xenomorph bust is a must-have.
A quick glance, you will notice the expert craftsmanship of this design. I mean, just look at it! With its intricate biomechanical details and menacing extraterrestrial presence, this alien 3D print is a standout for any sci-fi 3D prints collection.
4. Alien

Designer: Eric Chen
This 3D alien is one of our favorites too. Though terrifying, it’s impossible not to admire its impressively realistic design that makes it look almost life-lke. Fans of space-themed 3D models will surely appreciate this alien model. Not to mention, it was designed with inspiration from the legendary H.R. Giger.
If you’re looking for an alien 3D print file that captures biomechanical horror in all its glory, this 3D print alien is a perfect choice.
5. Skull Alien

Designer: NikitaLebedev
This 3D printable alien is a captivating and imaginative take on extraterrestrial horror. Designed with a skeletal form and showcasing intricate details, the Skull Alien stands out as a striking piece that will surely capture the attention of enthusiasts.
Whether you’re an avid collector or just starting your journey into the world of STL models, this hauntingly beautiful creation is a fantastic addition to your collection of extraterrestrial STL models.
6. Xenoraptor

Designer: ETmodelstudio
The Xenoraptor is such a fascinating 3D print creation! It’s this incredible hybrid of alien and raptor-like features that really makes it stand out. Aside from its stellar design, it’s got a dynamic pose that truly captures the essence of both its extraterrestrial and prehistoric inspirations. The sculpting is incredibly detailed, which adds so much depth to its look.
This alien 3D model is perfect for anyone into tabletop gaming or for those who love to create dioramas. Imagine adding the Xenoraptor to your sci-fi displays—it would be a showstopper for sure!
7. ALIEN ROMULUS – XENOMORPH-

Designer: arxeukx
If you’re a fan of the Alien franchise, you’re going to love this amazing fanart alien Xenomorph STL inspired by the popular Alien Romulus movie! This fantastic file includes both a detailed 3D alien head and a helmeted version, giving you the flexibility to create the perfect figurine for your collection.
Whether you’re looking to capture the classic look or add a personal touch with a custom design, this is one of the best alien STL files available out there. It’s a must-have for enthusiasts and collectors alike!
8. Xenarid Soul Eater

Designer: stationforge
Next, we have the monstrous Xenarid Soul Eater – a treat for anyone who loves sci-fi 3D prints for gaming! This impressive model showcases a monstrous, insectoid-inspired alien design that’s perfect for all your tabletop gaming adventures.
Whether you’re diving into a tabletop RPG, embarking on a sci-fi wargaming mission, or simply looking for a unique display piece to show off, this 3D print is sure to catch the eye.
If you’re into tabletop gaming or 3D miniatures, check out this blog on the best miniature STL files.
9. Xenarid Fluxus

Designer: stationforge
Introducing the Xenarid Fluxus, a fantastic new addition to the world of 3D printable aliens! This armored 3D alien model is not just visually striking but also comes equipped with a powerful cannon and impressive melee capabilities, making it a versatile character for your collection.
Whether you’re a sci-fi strategy game enthusiast or a wargaming aficionado, the Xenarid Fluxus will elevate your tabletop gameplay experience. Imagine the excitement of deploying this formidable creature on the battlefield, creating endless possibilities for epic confrontations.
10. Godzilla alien

Designer: arxeukx
If you’re on the hunt for something a bit different, the Godzilla Alien Chibi is an excellent choice! This charming design beautifully merges alien models with an adorable monster aesthetic, making it perfect for Kaiju enthusiasts or anyone who loves quirky 3D alien prints.
This alien 3D print file is full of character and creativity. It’s not just a cute addition to your collection but also a fantastic gift for fellow fans —it’s sure to bring joy to anyone who encounters it!
Do you also consider yourself an anime fan? If so, you might want to check out this blog on the best anime STL files.
Phrozen Verified: Print Stunning, High-Detail Models with Ease!
Tired of failed prints and endless support adjustments? Phrozen Verified models are expertly pre-supported and optimized for hassle-free 3D printing. Skip the setup, hit print, and get stunning, high-detail 3D alien prints with zero stress. Explore the collection now and bring your models to life with ease!

Wrapping it Up – Print the Best Alien 3D Model Today!
Now that you’ve seen some of the best alien 3D models, it’s time to bring these extraterrestrial STL models to life! Whether you’re a collector, tabletop gamer, or sci-fi enthusiast, 3D printable aliens offer limitless creative possibilities.
If you’re a fan of fantasy 3D designs, this blog on the best fantasy 3D models is worth checking out.
All the above mentions are high-quality alien 3D print files available on PIXUP, which means you will enjoy smooth printing and stunning details. So, what are you waiting for? Check out the best alien STL files, and start printing today!