This 3D model is a fresh, design-accurate interpretation of the AH-12 offshore tug family, taking its visual cues from the well-known KL Saltfjord. As no complete blueprints exist for the class, this vessel is modeled as a novel, AH-12–inspired tug that captures the proportions, character, and deck layout seen in reference photos while allowing creative freedom and enhanced printability. The result is a detailed 640 mm long model consisting of 50+ high-poly STL files for the main vessel plus an extensive accessory pack—including deck gear, masts, lights, buoys, winch components, and more—bringing the total part count to over 170. The interior hull volume is fully empty (approx. 4–5 mm wall thickness), making it ideal for custom projects or RC conversions. Internal bolt-holder geometry is included in many components to ensure strong, aligned, and stress-free assembly.

3D printing settingsThe model is divided into print-friendly sections compatible with standard 22 × 22 × 25 cm 3D printers. For best results, we recommend printing the hull sections at 0.2–0.28 mm layer height with 3–4 perimeter walls and 15–20% infill. Superstructure and accessory parts may be printed at 0.12–0.16 mm for fine detail. PLA+ or PETG are recommended for structural components, while flexible filaments may be used for bumper tyres at the sides if desired. All major parts include integrated assembly bolt channels for accurate alignment and straightforward construction. With its modular structure and empty interior, this model can be built as a display piece or adapted into a fully functional RC tug with minimal engineering effort.