Mindstorms EV3 (31313): parts list and STL files

Set 31313, Mindstorms EV3, from 2013, has 601 pieces in 106 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 files

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.

Need filament? Find PLA on Amazon. We may earn a commission if you buy.

Mindstorms EV3, built (3D picture) — What it looks like built. A 3D picture, not a photo, made from the LDraw model by Philippe Hurbain (CC BY 2.0).

See the finished set (photo) on Rebrickable ↗

Buy the real set on Amazon ↗ We may earn a commission if you buy.

544to print

57to buy

4spares

106kinds

544 to print, 57 to buy, 4 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 31313

Parts in set 31313, Mindstorms EV3
Colour	Part	Qty	Print or buy
Black	2780 Pin with Friction Ridges Lengthwise and Center Slots	95	Print
Blue	6558 Pin Long with Friction Ridges Lengthwise, 2 Center Slots	38	Print
Blue	43093 Axle Pin with Friction Ridges Lengthwise	28	Print
Light Bluish Gray	4519 Axle 3	22	Print
Red	32184 Axle and Pin Connector Perpendicular 3L with Centre Pin Hole	17	Print
Red	42003 Axle and Pin Connector Perpendicular 3L with 2 Pin Holes	14	Print
Black	32009 Beam 1 x 11.5 Double Bent Thick	12	Print
Red	32062 Axle 2 Notched	12	Print
Black	32271 Beam 1 x 9 Bent (7 - 3) Thick	12	Print
Black	32523 Beam 1 x 3 Thick	12	Print
Light Bluish Gray	48989 Pin Connector Hub Perpendicular 3L with 4 Pins	12	Print
Yellow	32123b Bush 1/2 Smooth with Axle Hole Semi-Reduced	11	Print
Red	32054 Pin Long with Friction Ridges Lengthwise and Stop Bush [3 Lateral Holes, Big Pin Hole]	10	Print
Black	32316 Beam 1 x 5 Thick	10	Print
Black	60483 Beam 1 x 2 Thick with Pin Hole and Axle Hole	10	Print
Light Bluish Gray	32073 Axle 5	9	Print
Black	3706 Axle 6	9	Print
Red	3713 Bush	9	Print
Black	32140 Beam 2 x 4 L-Shape Thick	8	Print
Black	40490 Beam 1 x 9 Thick	8	Print
Red	6536 Axle and Pin Connector Perpendicular	8	Print
Light Bluish Gray	2736 Axle Towball	6	Print
Red	32034 Axle and Pin Connector Angled #2 - 180°	6	Print
Black	32524 Beam 1 x 7 Thick	6	Print
Black	32526 Beam 3 x 5 L-Shape Thick	6	Print
Red	41669 Tooth 1 x 3 with Axle Hole [Rounded Underside]	6	Print
Dark Bluish Gray	55013 Axle 8 with Stop	6	Print
Black	6628 Pin with Friction Ridges Lengthwise and Towball	6	Print
Light Bluish Gray	87082 Pin Connector Hub with 2 Pins with Friction Ridges Lengthwise [Big Squared Pin Holes]	6	Print
Black	32498 Gear 36 Tooth Double Bevel	5	Print
Black	18575 Gear 20 Tooth Double Bevel with Axle Hole Type 1 [+ Opening]	4	Print
Red	32013 Axle and Pin Connector Angled #1	4	Print
Light Bluish Gray	32068 Axle and Pin Connector Perpendicular 3L with Pin Hole	4	Print
Black	32072 Knob Wheel	4	Print
Light Bluish Gray	32138 Pin Double with Axle Hole	4	Print
Red	32192 Axle and Pin Connector Angled #4 - 135°	4	Print
Black	32278 Beam 1 x 15 Thick	4	Print
Black	32293 Link 1 x 9	4	Print
Black	32348 Beam 1 x 7 Bent (4 - 4) Thick	4	Print
Red	32525 Beam 1 x 11 Thick	4	Print
Tan	32556 Pin Long without Friction Ridges	4	Print
Light Bluish Gray	3673 Pin without Friction Ridges Lengthwise	4	Print
Black	41239 Beam 1 x 13 Thick	4	Print
White	41669 Tooth 1 x 3 with Axle Hole [Rounded Underside]	4	Print
Red	41678 Axle and Pin Connector Perpendicular Double Split	4	Print
Black	60484 Beam 3 x 3 T-Shape Thick	4	Print
Dark Tan	6587 Axle 3 with Stud	4	Print
Dark Bluish Gray	87083 Axle 4 with Stop	4	Print
Red	59443 Axle Connector Smooth [with x Hole + Orientation]	3	Print
White	64391 Panel Fairing # 4 Small Smooth Long, Side B	3	Print
White	64393 Panel Fairing #6 Long Smooth, Side B	3	Print
White	64681 Panel Fairing #5 Long Smooth, Side A	3	Print
White	64683 Panel Fairing # 3 Small Smooth Long, Side A	3	Print
Tan	99008 Axle 4 with Centre Stop	3	Print
Light Bluish Gray	32039 Axle Connector with Axle Hole	2	Print
Black	32270 Gear 12 Tooth Double Bevel	2	Print
Red	32291 Axle and Pin Connector Perpendicular Double	2	Print
Light Bluish Gray	32905 Worm Gear Type 2	2	Print
Dark Bluish Gray	3648b Gear 24 Tooth [New Style with Single Axle Hole]	2	Print
Light Bluish Gray	44294 Axle 7	2	Print
Dark Bluish Gray	59426 Axle 5.5 with Stop [Rounded Short End]	2	Print
Light Bluish Gray	62462 Pin Connector Round [Slotted]	2	Print
Light Bluish Gray	63869 Axle and Pin Connector Perpendicular Triple	2	Print
Light Bluish Gray	64178 Beam 5 x 11 with 3 x 5 Opening Frame Thick	2	Print
Light Bluish Gray	64179 Beam Frame 5 x 7 with 3 x 5 Opening Thick	2	Print
Black	6575 Cam	2	Print
Light Bluish Gray	92907 Axle and Pin Connector Perpendicular Split	2	Print
Red	32014 Axle and Pin Connector Angled #6 - 90°	1	Print
Tan	32198 Gear 20 Tooth Bevel	1	Print
Light Bluish Gray	57585 Axle Connector Hub with 3 Axles at 120°	1	Print
Light Bluish Gray	60485 Axle 9	1	Print
White	61070 Panel Car Mudguard Right	1	Print
White	61071 Panel Car Mudguard Left	1	Print
Tan	6589 Gear 12 Tooth Bevel	1	Print
Light Bluish Gray	6632 Beam 1 x 3 Thin	1	Print
Black	87408 Pin Connector Toggle Joint Smooth Double with Axle and Pin Holes	1	Print
Black	2780 Pin with Friction Ridges Lengthwise and Center Slots	1 spare	Print
Yellow	32123b Bush 1/2 Smooth with Axle Hole Semi-Reduced	1 spare	Print
Light Bluish Gray	3673 Pin without Friction Ridges Lengthwise	1 spare	Print
Red	3713 Bush	1 spare	Print
Red	98568pat0002 Large Figure Weapon Sword, 11.5L with Sawtooth Back with Flat Silver Blade	6	Buy
Black	11145 Cable, Connector, 25cm for EV3	4	Buy
Light Bluish Gray	42610 Wheel 11 x 8 with Center Groove	4	Buy
Black	44309 Tyre 43.2 x 22 ZR	4	Buy
Black	56145 Wheel 30.4 x 20 without Pinholes, with Reinforced Rim	4	Buy
White	98347 Wing / Blade 1 x 4 with Pin Hole	4	Buy
Black	2815 Wedge Belt Wheel Tire	3	Buy
Light Bluish Gray	4185 Wedge Belt Wheel [aka Pulley]	3	Buy
Red	54821 Projectile, Large Figure Weapon, Zamor Sphere / Ball	3	Buy
Black	32005a Link 1 x 6 without Stoppers	2	Buy
Black	50951 Tyre 14 x 6 Solid Smooth	2	Buy
Black	53992 Tread Large [36 Links]	2	Buy
Black	55805 Cable, Connector, 35cm for NXT	2	Buy
Light Bluish Gray	95658 Motor, Large, EV3 with White Case	2	Buy
Black	10916 Cable, USB, 2m for EV3	1	Buy
[No Color/Any Color]	13710 Sticker Sheet for Set 31313-1	1	Buy
Black	53550 Large Figure Weapon, Zamor Sphere Holder	1	Buy
Black	54271 Large Figure Weapon, Zamor Sphere Launcher	1	Buy
Black	55806 Cable, Connector, 50cm for NXT	1	Buy
White	72156 Control Unit, IR-Beacon / Remote Handset, EV3	1	Buy
Red	85544 Rubber Belt Medium [24mm ID] [Round Cross Section]	1	Buy
White	95646c01 Hub, EV3 Brick [Complete Assembly]	1	Buy
Light Bluish Gray	95648 Sensor, Touch, EV3 with White Case	1	Buy
Light Bluish Gray	95650 Sensor, Colour, EV3 with White Case	1	Buy
Light Bluish Gray	95654 Sensor, Infrared, EV3	1	Buy
Light Bluish Gray	99455 Motor, Medium, EV3 with White Case	1	Buy

Print set 31313 at home

The set tool makes an STL file for each of the 544 printable pieces, sorted by colour, plus a shopping list for the 57 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.