Albert Betz: Wind turbine service tug

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A Tribute to Modern Offshore Engineering, Nof Fully RC-READY

In the modern maritime world, offshore service vessels (OSVs) play an indispensable role in maintaining the flow of global energy infrastructure. Whether it is supporting oil and gas platforms, transporting equipment and personnel to offshore wind farms, or conducting subsea maintenance and inspection tasks, these ships operate at the very frontier between human ingenuity and the raw power of the ocean. Their design embodies a delicate balance of stability, power, and precision—each line of the hull, every deck structure, and all onboard systems engineered for reliability under demanding conditions.

The model has been updated to be fully RC‑ready. The new file set includes DC‑motor and servo mounting plates and a larger‑diameter propeller‑shaft tube that accepts an 8 mm shaft, giving you immediate, reliable RC operation.

3D Models of RC parts such as moungint plates, frames, reference motors are included in the file pack.

Continue reading for more info, renderings and a free STL file for 3d printing your desktop model.

If you want to get to our purchase page, here she is on Cults3d.

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The Caspian Monster

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When the Soviets Made a Plane That was also a Ship

In the heat of the Cold War, when the world’s superpowers were racing to outfly, outswim, and outthink each other, the Soviet Union quietly unleashed something that defied all categories. It wasn’t quite a plane, not really a boat, and certainly not a submarine — yet it managed to borrow a bit from each. They called it the KM Ekranoplan, but NATO, baffled by satellite photos of a gigantic winged machine skimming the surface of the Caspian Sea, simply dubbed it “The Caspian Monster.” The name stuck, and deservedly so.

Click here to purchase the 30+ piece 3d model, or continue reading for more info, renderings and a free desktop model of: The Monster with Wings and Waves

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Soviet Echo Class Submarine

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The Soviet Echo Class submarines (Project 659) were among the most distinctive nuclear-powered cruise missile submarines of the Cold War. Developed in the late 1950s and entering service in the early 1960s, the Echo Class was designed primarily to carry and launch long-range cruise missiles against carrier groups and land-based targets. These submarines featured a characteristic raised missile deck with paired silos, giving them their unmistakable silhouette. Armed with up to eight missiles and supported by torpedoes, the Echo Class represented a significant leap in Soviet naval strategy, reflecting the shift toward nuclear propulsion and underwater missile platforms as a counterbalance to Western naval superiority. Though eventually superseded by more advanced classes, the Echo Class played an important role in shaping submarine development and nuclear deterrence during the Cold War.

The 1.4 Meter Multi-Piece 3D Printable Echo Class Model

For enthusiasts, modelers, and Cold War historians alike, I’ve created a 1.4-meter-long, highly detailed 3D printable model of the Echo Class submarine(<<<—Click this link to get the model). This model is carefully divided into more than 50 parts, designed to fit on standard 3D printers with a 22 × 22 × 25 cm build volume. The hull is hollow, giving makers the freedom to customize it for RC projects, lighting installations, or static display builds. Functional features include articulated missile hatches, dive planes, rudder, periscopes, and radar domes, all modeled with precision for both visual appeal and interactive play. To ensure strong assembly, the junction points are fitted with screw-together connections, making it possible to achieve both sturdiness and easy handling during the build.

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Lun-Class Ekranoplan 1m model

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The Soviet Sea During the final decade of the Cold War, the Soviet Union unveiled one of the strangest and most ambitious machines ever to touch water: the Lun-class ekranoplan. Neither ship nor aircraft, it belonged to an unusual category known as ground-effect vehicles, designed to skim just a few meters above the surface of the sea.

Now you can build your own Lun-Class as 1meter long model.

This model has a new RC-Ready version, you can check her here.

Continue reading for more information and your free STL file.

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3D Printable Hand-Operated Bulldozer Toy

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Bring construction fun to life right at home! This hand-operated bulldozer is a 3D printable toy designed for kids who love building, digging, and pushing things around. Easy to assemble and safe for little hands, it’s both a playtime favorite and a creative maker project.

✨ Features:

  • Fully 3D printable design – no special parts needed!
  • Hand-operated scoop lets kids lift, push, and dump just like the real thing.
  • Designed for easy printing and assembly on most hobby 3D printers.
  • Sturdy, kid-friendly, and endlessly fun.
  • Print in your favorite colors to make it truly unique!

👶 Great for ages 4+ (with supervision during assembly).
🎨 Perfect for parents, makers, and teachers who want a hands-on project that ends in hours of imaginative play.

Continue reading to download your free 3D model.

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Ship Model Accesory Packs

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⚓ Old Naval Gun Accessory Pack – 3D Printable Collection (50+ Pieces) 🔩

Bring authentic firepower to your naval models with this highly detailed 3D-printable accessory pack featuring 50+ unique pieces of classic naval artillery!

🛠️ Includes:
• Cannons, turrets, pedestal mounts
• Torpedo tubes, AA guns, deck-mounted weapons
• Gun barrels in multiple styles
• Historic WWI & WWII-inspired designs

Continue reading for more info, renderings and purchase links.

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French Redoutable & Devastation Class Ironclads

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Giants of Iron and Steam (with 1m long 3d printable model)

In the late 19th century, the naval powers of Europe were locked in a fierce technological and strategic competition. The age of wooden ships and billowing sails had given way to ironclads—steam-powered, armored warships that represented both national pride and military dominance. Among the key players in this naval revolution was France, which produced some of the most innovative and formidable ironclads of the era. Two of the most significant among them were the Redoutable and the Dévastation-class ships.

Continue reading for more info and your free STL file for a desktop Redoutable ship, sailing the high waves. If you want to proceed directly to our 100+ piece hi Rez STL file pack —> HERE IT IS.

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Vasa 3D printable 1m model

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The Ship That Couldn’t Stay Afloat: The Breathtaking (and Brief) Voyage of the Vasa

In the golden age of naval might, when ships were the superweapons of empire and pride floated on salted winds, Sweden set its sights on maritime glory. Enter the Vasa, a warship so lavish, so majestic, and so doomed that it sailed straight from royal ambition into the sea floor—in under 20 minutes.

This isn’t your average tale of maritime disaster. The Vasa’s story is equal parts engineering marvel, political drama, and tragicomic miscalculation. Continue reading for the rest of the story and a free STL file for 3d printing your own Vasa. We also have a paid model, 1m long, RC compatible, and with more details. Get the 100 piece model from here.

rear and side figures are detachable, use as many as you like.

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50-Gun Frigate Hull: Free

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⚓ Set Sail in Style: Download the 3D-Printable Hull of a 50-Gun Frigate — Free and Ready for Your Next Project

Whether you’re a model ship enthusiast, a history lover, or a maker looking for your next detailed print, this is your boarding call.

We’re excited to offer a free, high-quality 3D model of a 50-gun frigate hull inspired by real ships from the golden Age of Sail. Designed with careful attention to historical proportions and practical printability, this hull is the perfect foundation for those building remote-controlled boats, static display models, dioramas, or even educational replicas.

Continue reading for the free STL files.

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Ton-Class Minesweepers

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The Silent Workhorses of the Cold War now is here as an RC-Ready 3d model.

During the tense decades of the Cold War, the Royal Navy quietly operated a fleet of specialized vessels designed not for battle, but for survival—of fleets, ports, and shipping lanes. These were the Ton-class minesweepers, an unglamorous yet vital class of ships that ensured safe passage through mine-infested waters across the globe. Though small in size, their contribution to post-war naval security and NATO maritime operations was significant.

(wood paneling seen in the renderings are textures only, the 3D model has flat deck surfaces.)

This article includes a 1m 3D model of the Ton Class that can be printed, painted and used for display purposes. The interior of the model is empty and hull has approximately 5-6mm thickness all around making this model a candidate to be converted to a remote controlled boat. There is also a free STL file for a tabletop display model of the Hull Class. You can download it by using the link at the end of the article. Enjoy and please share this page on your social media. If you want to purchase the paid model, HERE IS THE PURCHASE LINK.

With the latest update, the Ton-class model has evolved from a detailed display project into a fully functional RC-ready platform. The internal structure has been carefully reworked to support real-world components, including propulsion systems, steering mechanisms, and onboard electronics, while preserving the clean external lines of the vessel. This transformation significantly expands the scope of the model: what was once primarily a visual recreation can now become a working representation of a classic minesweeper. By combining historical fidelity with practical engineering, the model offers builders the opportunity to experience the Ton-class not just as a static object, but as a dynamic and interactive project on the water.

two sets of propellers are included
DC and servo motor holders
dog bone coupler is included

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