Red Cross Helicopter (6691): parts list and STL files
Set 6691, Red Cross Helicopter, from 1981, has 107 pieces in 55 kinds of part and colour. Here is every part, with the ones you can 3D print at home and the ones to buy.
Get the free print filesFree: an STL file for every part you can print, the parts list and a BrickLink shopping list for the rest. Pro adds print-ready plates for a 256 mm bed and our printing guide. About ProYour Pro includes the print-ready plates.
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See the finished set (photo) on Rebrickable ↗
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86 to print, 21 to buy, 0 spares. Print: plain bricks, plates and beams you can make on a home 3D printer. Buy: clear, printed, rubber, electric and very thin parts, which are better ordered. Spares are the extras in the box.
Every part in set 6691
| Colour | Part | Qty | Print or buy |
|---|---|---|---|
| Light Gray | 3666 Plate 1 x 6 | 12 | |
| Red | 3710 Plate 1 x 4 | 6 | |
| White | 3794a Plate Special 1 x 2 with 1 Stud without Groove (Jumper) | 5 | |
| Light Gray | 3068b Tile 2 x 2 with Groove | 4 | |
| Light Gray | 3460 Plate 1 x 8 | 4 | |
| Black | 3665 Brick Sloped Inverted 45° 2 x 1 | 4 | |
| Light Gray | 3710 Plate 1 x 4 | 4 | |
| Red | 3040b Brick Sloped 45° 2 x 1 with Bottom Pin | 3 | |
| Black | 3009 Brick 1 x 6 | 2 | |
| White | 3021 Plate 2 x 3 | 2 | |
| Red | 3023 Plate 1 x 2 | 2 | |
| White | 3040b Brick Sloped 45° 2 x 1 with Bottom Pin | 2 | |
| White | 3068b Tile 2 x 2 with Groove | 2 | |
| White | 3622 Brick 1 x 3 | 2 | |
| Red | 3666 Plate 1 x 6 | 2 | |
| Red | 3747a Brick Sloped Inverted 33° 3 x 2, No Connections between Studs, Ovoid Bottom Pin | 2 | |
| Light Gray | 3839a Plate Special 1 x 2 with Handles [Round Ends, Mid Attachment] | 2 | |
| White | 3856 Window 1 x 2 x 3 Shutter | 2 | |
| White | 3004 Brick 1 x 2 | 1 | |
| Red | 3004 Brick 1 x 2 | 1 | |
| White | 3005 Brick 1 x 1 | 1 | |
| Red | 3005 Brick 1 x 1 | 1 | |
| White | 3007 Brick 2 x 8 | 1 | |
| White | 3008 Brick 1 x 8 | 1 | |
| Light Gray | 3020 Plate 2 x 4 | 1 | |
| Red | 3021 Plate 2 x 3 | 1 | |
| Red | 3029 Plate 4 x 12 | 1 | |
| White | 3032 Plate 4 x 6 | 1 | |
| White | 3037 Brick Sloped 45° 2 x 4 | 1 | |
| Light Gray | 3069b Tile 1 x 2 with Groove | 1 | |
| Red | 3298 Brick Sloped 33° 3 x 2 | 1 | |
| Red | 3633 Fence Lattice 1 x 4 x 1 | 1 | |
| Red | 3665 Brick Sloped Inverted 45° 2 x 1 | 1 | |
| White | 3747a Brick Sloped Inverted 33° 3 x 2, No Connections between Studs, Ovoid Bottom Pin | 1 | |
| Light Gray | 3795 Plate 2 x 6 | 1 | |
| Red | 3795 Plate 2 x 6 | 1 | |
| White | 3821 Door 1 x 3 x 1 Right | 1 | |
| White | 3822 Door 1 x 3 x 1 Left | 1 | |
| White | 3832 Plate 2 x 10 | 1 | |
| Red | 3853 Window 1 x 4 x 3 | 1 | |
| White | 4213 Hinge Vehicle Roof 4 x 4 | 1 | |
| White | 4214 Hinge Vehicle Roof Holder 1 x 4 x 2 | 1 | |
| Trans-Red | 3024 Plate 1 x 1 | 2 | Buy |
| Light Gray | 3461 Propeller 4 Blade 5 Diameter with Hole for Rotor Holder | 2 | Buy |
| Black | 3475a Engine - Smooth, Small 1 x 2 Side Plate [No Axle Holders] | 2 | Buy |
| White | 4215apr0002 Panel 1 x 4 x 3 with Red Cross and Stripe Print | 2 | Buy |
| Yellow | 3626apr0001 Minifig Head Standard Grin Print [Solid Stud] | 2 | Buy |
| Red | 3842 Helmet Classic [Undetermined Type] | 2 | Buy |
| White | 970c27 Hips and White Legs | 2 | Buy |
| White | 973c27h01pr0021 Torso, Shirt with Red Cross and Pocket Print, White Arms, Yellow Hands | 2 | Buy |
| Red | 3462 Plate Special 2 x 3 with Helicopter Rotor Holder | 1 | Buy |
| Red | 3481 Plate Special 2 x 2 with Helicopter Tail Rotor Holder | 1 | Buy |
| Trans-Clear | 3823 Windscreen 2 x 4 x 2 | 1 | Buy |
| White | 3829c01 Steering Stand 1 x 2 with Black Steering Wheel | 1 | Buy |
| White | 4215apr0003 Panel 1 x 4 x 3 with Red Stripe Print | 1 | Buy |
Print set 6691 at home
The set tool makes an STL file for each of the 86 printable pieces, sorted by colour, plus a shopping list for the 21 to buy. Free, no account, and it runs on your own phone or computer.
Get the free print filesPro adds print-ready plates for a 256 mm bed. About Pro
Parts data: Rebrickable, and it can differ slightly from your box. Part shapes: LDraw Parts Library (CC BY 4.0). Browse all sets. Independent project, not sponsored, authorised or endorsed by any brick company.