Design precision submarine MOCs (up to 36 inches long) — optimized for real‑build parts and display.
    A prompt is the clear set of instructions you give an AI or creative tool to get the output you want. Use the menus below to build a structured prompt; then click Generate to assemble a clean, copy‑ready block. You can copy an individual concept level or “Copy All.” Adjust menus and Generate again anytime.
    Tip: Some menus allow multiple selections. On desktop use Ctrl/Cmd‑click; on mobile, tap to add / tap again to remove.
    
      
        Submarine Class / Nation 
        
          US Navy — Virginia-class 
          US Navy — Los Angeles-class 
          UK — Astute-class 
          France — Barracuda (Suffren-class) 
          Russia — Yasen-class (Project 885) 
          Russia — Akula-class 
          Germany — Type 212A 
          Germany — Type 214 (Export) 
          Japan — Sōryū-class 
          Japan — Taigei-class 
          Sweden — A26 Blekinge-class 
          Italy — Todaro-class (U212) 
          India — Arihant-class 
          Australia — Collins-class 
          China — Type 093 Shang-class 
          China — Type 039A Yuan-class 
          Generic — Fictional attack sub 
         
      
      
        Era 
        
          Modern (2000s–Today) 
          Cold War (1960s–1990s) 
          Post‑WWII (1946–1959) 
         
      
      
        Max Model Length 
        
          Up to 36 inches 
          Up to 30 inches 
          Up to 24 inches 
          Up to 18 inches 
         
      
      
        Scale / Style 
        
          Display scale (tile‑smooth, SNOT) 
          Minifigure‑adjacent (play interior) 
          Micro scale (stand included) 
         
      
      
        Color Scheme 
        
          Black hull w/ dark bluish gray decking 
          Dark bluish gray hull (uniform) 
          Two‑tone: black hull / light bluish gray sail 
          Blue accent stripe (themed for blue background) 
          Display‑only: high‑contrast show colors 
         
      
      
        Hull Technique 
        
          SNOT cylinder (curved slopes + brackets) 
          Studs‑out polygon (cheese + hinge plates) 
          Panel‑segment ribs (Technic core) 
          Mixed: SNOT bow + panel midships 
         
      
      
        Functional Features (multi) 
        
          Working propulsor/propeller (free spin) 
          Bow planes & stern planes (poseable) 
          Retractable periscope + masts 
          Opening sail cap / tiny bridge 
          Removable hull section (interior glimpse) 
          Display stand with nameplate 
          Optional torpedo room micro‑cutaway 
         
      
      
        Difficulty 
        
          Easy — beginner friendly 
          Intermediate — balanced 
          Advanced — complex curves 
         
      
      
        Parts Mode 
        
          Real‑Build Mode (current parts only) 
          Mixed (rare/retired allowed) 
          Concept (any color/part OK) 
         
      
      
        Display Base 
        
          Low‑profile cradle (2‑point) 
          Keel blocks (dry dock look) 
          Clear lift rods (floating effect) 
          Nameplate plinth (angled) 
         
      
      
        Sail Windows / Viewports 
        
          Tile‑smooth (no windows) 
          Printed tile suggestion (stickers optional) 
          Brick‑built horizontal slits 
         
      
      
        Use Case 
        
          Display model 
          Display + gentle play 
          Play‑focused (sturdier build) 
         
      
      
        Buildability Score (1–10) 
        
          8 
          9 
          10 
          7 
         
      
      
        Diorama Pack 
        
          Off 
          On — Simple 
          On — Advanced 
         
      
      
        Scene Type 
        
          Blue gradient backdrop (clean studio look) 
          Underwater vignette (rocks + seaweed) 
          Harbor / dry dock 
         
      
      
        Terrain Layers 
        
          None (studio blue) 
          Slope rocks + sand plates 
          Rock arch + seabed plates 
         
      
      
        Vegetation Density 
        
          None 
          Light seaweed tufts 
          Medium kelp + coral accents 
         
      
      
        Lighting Points 
        
          Key + fill (front/side) 
          Rim light on sail 
          Under‑glow on stand 
         
      
      
        Photo / Poster Angles (multi) 
        
          Port 3/4 bow 
          Starboard 3/4 stern 
          Beam profile (side) 
          Low angle hero on stand 
          Top‑down technical