Twin Spin Helicopter (31049): parts list and STL files

Set 31049, Twin Spin Helicopter, from 2016, has 326 pieces in 133 kinds of part and colour. Here is every part, with the ones you can 3D print at home and the ones to buy.

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Free: 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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Twin Spin Helicopter, built (3D picture) — What it looks like built. A 3D picture, not a photo, made from the LDraw model by Marc Belanger (CC BY 2.0).

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298to print

28to buy

12spares

133kinds

298 to print, 28 to buy, 12 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 31049

Parts in set 31049, Twin Spin Helicopter
Colour	Part	Qty	Print or buy
Black	15379 Link Tread with Beveled Edge	32	Print
Red	3023 Plate 1 x 2	9	Print
Light Bluish Gray	32123b Bush 1/2 Smooth with Axle Hole Semi-Reduced	8	Print
Black	3710 Plate 1 x 4	8	Print
Blue	85984 Brick Sloped 30° 1 x 2 x 2/3	8	Print
Yellow	2412b Tile Special 1 x 2 Grille with Bottom Groove	7	Print
Blue	3709 Plate 2 x 4 [3 Holes]	7	Print
Black	3832 Plate 2 x 10	7	Print
Black	2412b Tile Special 1 x 2 Grille with Bottom Groove	6	Print
Black	2780 Pin with Friction Ridges Lengthwise and Center Slots	6	Print
Black	3021 Plate 2 x 3	6	Print
Blue	3700 Brick 1 x 2 [1 Pin Hole]	6	Print
Black	4162 Tile 1 x 8 with Groove	6	Print
Blue	43093 Axle Pin with Friction Ridges Lengthwise	5	Print
White	11477 Brick Curved 2 x 1 No Studs [1/2 Bow]	4	Print
Light Bluish Gray	18677 Plate Special 1 x 2 with Pin Hole Underneath	4	Print
Dark Bluish Gray	32064a Brick 1 x 2 with Axle Hole Type 1 [+ Opening] and Bottom Pin	4	Print
Black	3795 Plate 2 x 6	4	Print
Red	4032a Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening)	4	Print
Light Bluish Gray	4274 Pin 1/2 without Friction Ridges	4	Print
Yellow	59443 Axle Connector Smooth [with x Hole + Orientation]	4	Print
Medium Blue	60481 Brick Sloped 65° 2 x 1 x 2	4	Print
Medium Blue	6081 Brick Curved 2 x 4 x 1 1/3	4	Print
Dark Bluish Gray	6141 Plate Round 1 x 1 with Solid Stud	4	Print
Tan	6589 Gear 12 Tooth Bevel	4	Print
Black	18651 Axle Pin 3L with Friction Ridges Lengthwise and 2L Axle	3	Print
White	3004 Brick 1 x 2	3	Print
White	3010 Brick 1 x 4	3	Print
White	3023 Plate 1 x 2	3	Print
Black	3705 Axle 4	3	Print
Blue	3710 Plate 1 x 4	3	Print
Blue	10201 Bracket 1 x 2 - 1 x 4 [Rounded Corners]	2	Print
Dark Bluish Gray	10928 Gear 8 Tooth [Reinforced]	2	Print
Blue	13548 Brick Wedged, Sloped 45° 2 x 2 Corner	2	Print
Dark Bluish Gray	15535 Tile Special Round 2 x 2 with Hole	2	Print
Blue	15573 Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper)	2	Print
Yellow	17485 Brick Round 2 x 2, Pin Holes	2	Print
Light Bluish Gray	22885 Brick Special 1 x 2 x 1 2/3 with 4 Studs on 1 Side	2	Print
Light Bluish Gray	22961 Pin Connector Hub with 1 Axle	2	Print
Red	2420 Plate 2 x 2 Corner	2	Print
Blue	2420 Plate 2 x 2 Corner	2	Print
Black	2926 Plate Special 1 x 4 with Wheels Holder	2	Print
Medium Blue	3004 Brick 1 x 2	2	Print
White	3005 Brick 1 x 1	2	Print
Dark Bluish Gray	3009 Brick 1 x 6	2	Print
Black	30357 Plate Round Corner 3 x 3	2	Print
Dark Bluish Gray	30367c Brick Round 2 x 2 Dome Top, Hollow Stud	2	Print
Medium Blue	3037 Brick Sloped 45° 2 x 4	2	Print
Black	32015 Axle and Pin Connector Angled #5 - 112.5°	2	Print
White	32016 Axle and Pin Connector Angled #3 - 157.5°	2	Print
Light Bluish Gray	32125 Plate Rotor 3 Blade with Smooth Ends and 6 Studs (Propeller)	2	Print
Blue	3666 Plate 1 x 6	2	Print
Blue	3678b Brick Sloped 65° 2 x 2 x 2 with Bottom Tube	2	Print
Red	3706 Axle 6	2	Print
White	3710 Plate 1 x 4	2	Print
Medium Blue	3710 Plate 1 x 4	2	Print
Red	3713 Bush	2	Print
White	4287c Brick Sloped Inverted 33° 3 x 1 with Internal Stopper and No Front Stud Connection	2	Print
White	44728 Bracket 1 x 2 - 2 x 2	2	Print
Light Bluish Gray	4519 Axle 3	2	Print
Red	4865b Panel 1 x 2 x 1 [Rounded Corners]	2	Print
Medium Blue	54200 Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope)	2	Print
Blue	54200 Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope)	2	Print
Black	60479 Plate 1 x 12	2	Print
Dark Bluish Gray	60484 Beam 3 x 3 T-Shape Thick	2	Print
White	72454 Brick Sloped Inverted 45° 4 x 4 Double with 4 x 2 Recessed, 2 Holes	2	Print
Medium Blue	87620 Brick Wedged 2 x 2 Facet	2	Print
White	88293 Brick Round Corner 3 x 3 x 2 Dome Top	2	Print
Blue	93273 Brick Curved 4 x 1 Double, No Studs	2	Print
Black	99773 Beam Triangle Thin [Type II]	2	Print
Red	10201 Bracket 1 x 2 - 1 x 4 [Rounded Corners]	1	Print
Dark Tan	15462 Axle 5 with Stop	1	Print
Black	18646 Plate Round Half 3 x 6 with 1 x 2 Cutout	1	Print
Red	2431 Tile 1 x 4 with Groove	1	Print
Reddish Brown	24316 Axle 3 with Stop	1	Print
Dark Bluish Gray	2456 Brick 2 x 6	1	Print
Red	2540 Plate Special 1 x 2 Side Handle [Free Ends]	1	Print
White	2654 Plate Round 2 x 2 with Rounded Bottom [Boat Stud]	1	Print
Red	3001 Brick 2 x 4	1	Print
White	3002 Brick 2 x 3	1	Print
Blue	3031 Plate 4 x 4	1	Print
Red	3031 Plate 4 x 4	1	Print
Blue	3034 Plate 2 x 8	1	Print
Dark Bluish Gray	30395 Hook with Towball	1	Print
Black	32059 Wedge Plate 4 x 6 Cut Corners	1	Print
Light Bluish Gray	33299b Beam 3 x 0.5 Liftarm with Boss and Pin Semi-Reduced	1	Print
Green	3941 Brick Round 2 x 2 with Axle Hole	1	Print
Blue	41769 Wedge Plate 4 x 2 Right	1	Print
Blue	41770 Wedge Plate 4 x 2 Left	1	Print
Blue	43710 Brick Wedged, Sloped 4 x 2 Triple Left	1	Print
Blue	43711 Brick Wedged, Sloped 4 x 2 Triple Right	1	Print
White	43713 Brick Wedged, Curved Inverted 6 x 4	1	Print
Medium Blue	43720 Brick Wedged, Sloped 45° 4 x 2 Right	1	Print
Medium Blue	43721 Brick Wedged, Sloped 45° 4 x 2 Left	1	Print
Black	43722 Wedge Plate 3 x 2 Right	1	Print
Black	43723 Wedge Plate 3 x 2 Left	1	Print
Blue	51739 Wedge Plate 2 x 4	1	Print
Dark Bluish Gray	60219 Brick Sloped Inverted 45° 6 x 4 Double with 4 x 4 Recessed and 3 Holes	1	Print
Light Bluish Gray	60485 Axle 9	1	Print
Black	62462 Pin Connector Round [Slotted]	1	Print
Light Bluish Gray	64799 Plate Special 4 x 4 with 2 x 2 Opening	1	Print
White	6564 Brick Wedged, Angled 3 x 2 Right	1	Print
White	6565 Brick Wedged, Angled 3 x 2 Left	1	Print
Black	74698 Tile Special Round 2 x 2 - Thick Lifting Ring	1	Print
Light Bluish Gray	87082 Pin Connector Hub with 2 Pins with Friction Ridges Lengthwise [Big Squared Pin Holes]	1	Print
Dark Bluish Gray	87083 Axle 4 with Stop	1	Print
Tan	99008 Axle 4 with Centre Stop	1	Print
Black	15379 Link Tread with Beveled Edge	1 spare	Print
Black	2780 Pin with Friction Ridges Lengthwise and Center Slots	1 spare	Print
Light Bluish Gray	32123b Bush 1/2 Smooth with Axle Hole Semi-Reduced	1 spare	Print
Red	3713 Bush	1 spare	Print
Light Bluish Gray	4274 Pin 1/2 without Friction Ridges	1 spare	Print
Medium Blue	54200 Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope)	1 spare	Print
Blue	54200 Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope)	1 spare	Print
Dark Bluish Gray	6141 Plate Round 1 x 1 with Solid Stud	1 spare	Print
Dark Bluish Gray	15540 Helicopter Landing Ski 1 x 6 with Pin Hole	4	Buy
White	4624 Wheel 8 x 6	4	Buy
Black	59895 Tyre 14 x 4 Smooth Small Single [New Style]	4	Buy
Dark Bluish Gray	30361c Brick Round 2 x 2 x 2 Robot Body, Axle Holder '+' Orientation	2	Buy
Trans-Clear	3039 Brick Sloped 45° 2 x 2	2	Buy
Trans-Brown	3065 Brick 1 x 2 without Bottom Tube	2	Buy
Trans-Orange	6141 Plate Round 1 x 1 with Solid Stud	2	Buy
Trans-Clear	98138 Tile Round 1 x 1	2	Buy
Black	56823c50 String Cord Thin (0.5mm) 50cm	1	Buy
White	56903 Wheel 18 x 8 with Fake Bolts and Shallow Spokes and Axle Hole	1	Buy
Trans-Red	6141 Plate Round 1 x 1 with Solid Stud	1	Buy
Trans-Green	6141 Plate Round 1 x 1 with Solid Stud	1	Buy
Light Bluish Gray	61510 String Reel 2 x 1 x 2 Drum with Axle Hole	1	Buy
Trans-Brown	62360 Windscreen 3 x 6 x 1 Curved with 2 Circular Stud Holders in Bottom	1	Buy
Trans-Green	6141 Plate Round 1 x 1 with Solid Stud	1 spare	Buy
Trans-Red	6141 Plate Round 1 x 1 with Solid Stud	1 spare	Buy
Trans-Orange	6141 Plate Round 1 x 1 with Solid Stud	1 spare	Buy
Trans-Clear	98138 Tile Round 1 x 1	1 spare	Buy

Print set 31049 at home

The set tool makes an STL file for each of the 298 printable pieces, sorted by colour, plus a shopping list for the 28 to buy. Free, no account, and it runs on your own phone or computer.

Get the free print files

Pro 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.