U-Boat type: XXI 1/40 by RCsubs


SKU-0230-STL  Price: 325 or 290 € (on order)

Contact for order:  This email address is being protected from spambots. You need JavaScript enabled to view it.

Payment method:     

Worldwide Shipping: 18 $ or 18 €

Length model: 1919 mm 

Made of PLA or ASA filament from the company:     

Price list

Resin parts High detals 

These high detail parts are not sold in STL version

 Resin set 1/40 SKU-0230-RE   Price: 62$ or 56 €

XXI Version: 


U-boat Version: U-2540, U-2502, U-2511, U-2513, U-2518


Sale of STL files. Etched parts will be delivered by postal service including CD with STL data.

RCsubs reserves the right to update these files.

Etched parts can only be delivered to the customer who once purchased STL data.

The maximum object size STL (printed on PRUSA MK3S)


 Hull and Tower:  X=213 mm, Y=208 mm, Z=210 mm

SKU-0230 (STL files + Etched parts)

print your model right at home:

SKU-0230-STL   Price: 285 or 285 € (on order)

Example of 3D models: submarine version U-2540 year 1945


Front mechanic rudder system 

the model can be very quickly divided into 3 parts.

is equipped with locks. The fuselage then has the length distribution: 637 mm + 512 mm + 767 mm. Scheme of longitudinal section of the model.

STL Sample (each 3D model has holes prepared for gluing etched parts)

how to print this submarine, information here

Photo Etched parts

 Photo Etched for Hull and Deck (metal sheet thickness 0.3 mm)

example of decals for version U-2540

Example of decals for each submarine type

(decals will only be for one version of the submarine)


High detail, etched parts, multiple versions of submarines according to the shipyard.

The hull is folded similar to the actual structure. The hull has axial locks and guides. Engine mounts are solved, front rudder system is a functional part of WTC.

Due to the high printing time, only one kit per month is possible.

Example of submarine U-2540 1/48. The quality of parts and etchings is the same as for the 1/40 scale.