Ocean Explorer (31045): parts list and STL files
Set 31045, Ocean Explorer, from 2016, has 213 pieces in 96 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.
Need filament? Find PLA on Amazon. We may earn a commission if you buy.

See the finished set (photo) on Rebrickable ↗
Buy the real set on Amazon ↗ We may earn a commission if you buy.
195 to print, 18 to buy, 11 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 31045
| Colour | Part | Qty | Print or buy |
|---|---|---|---|
| Light Bluish Gray | 87087 Brick Special 1 x 1 with Stud on 1 Side | 12 | |
| Dark Blue | 54200 Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) | 10 | |
| Dark Blue | 3010 Brick 1 x 4 | 8 | |
| Red | 3623 Plate 1 x 3 | 8 | |
| Light Bluish Gray | 2431 Tile 1 x 4 with Groove | 6 | |
| Black | 3710 Plate 1 x 4 | 6 | |
| Dark Blue | 50950 Brick Curved 3 x 1 No Studs | 6 | |
| Dark Bluish Gray | 15535 Tile Special Round 2 x 2 with Hole | 4 | |
| Dark Bluish Gray | 2412b Tile Special 1 x 2 Grille with Bottom Groove | 4 | |
| Red | 2654 Plate Round 2 x 2 with Rounded Bottom [Boat Stud] | 4 | |
| Yellow | 3023 Plate 1 x 2 | 4 | |
| Light Bluish Gray | 3040b Brick Sloped 45° 2 x 1 with Bottom Pin | 4 | |
| Red | 54200 Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) | 4 | |
| Light Bluish Gray | 6141 Plate Round 1 x 1 with Solid Stud | 4 | |
| White | 11211 Brick Special 1 x 2 with 2 Studs on 1 Side | 3 | |
| Light Bluish Gray | 14418 Plate Special 1 x 2 5.9mm Towball Socket | 3 | |
| White | 3004 Brick 1 x 2 | 3 | |
| White | 3020 Plate 2 x 4 | 3 | |
| Yellow | 3021 Plate 2 x 3 | 3 | |
| Light Bluish Gray | 44728 Bracket 1 x 2 - 2 x 2 | 3 | |
| Light Bluish Gray | 59900 Cone 1 x 1 [Top Groove] | 3 | |
| Green | 87079 Tile 2 x 4 with Groove | 3 | |
| Yellow | 11477 Brick Curved 2 x 1 No Studs [1/2 Bow] | 2 | |
| Yellow | 15068 Brick Curved 2 x 2 x 2/3 | 2 | |
| Dark Bluish Gray | 15672 Brick Sloped 45° 2 x 1 with 2/3 Cutout [New Version] | 2 | |
| Light Bluish Gray | 18677 Plate Special 1 x 2 with Pin Hole Underneath | 2 | |
| Red | 2431 Tile 1 x 4 with Groove | 2 | |
| Dark Bluish Gray | 2877 Brick Special 1 x 2 with Grille | 2 | |
| White | 2877 Brick Special 1 x 2 with Grille | 2 | |
| Dark Blue | 3005 Brick 1 x 1 | 2 | |
| White | 3010 Brick 1 x 4 | 2 | |
| Red | 3020 Plate 2 x 4 | 2 | |
| Yellow | 3022 Plate 2 x 2 | 2 | |
| Black | 3023 Plate 1 x 2 | 2 | |
| Dark Bluish Gray | 3031 Plate 4 x 4 | 2 | |
| White | 3031 Plate 4 x 4 | 2 | |
| Red | 3035 Plate 4 x 8 | 2 | |
| Red | 30357 Plate Round Corner 3 x 3 | 2 | |
| White | 30357 Plate Round Corner 3 x 3 | 2 | |
| Dark Blue | 3038 Brick Sloped 45° 2 x 3 | 2 | |
| White | 3040b Brick Sloped 45° 2 x 1 with Bottom Pin | 2 | |
| Dark Blue | 3040b Brick Sloped 45° 2 x 1 with Bottom Pin | 2 | |
| Red | 30414 Brick Special 1 x 4 with 4 Studs on One Side | 2 | |
| Dark Blue | 3665 Brick Sloped Inverted 45° 2 x 1 | 2 | |
| Light Bluish Gray | 3794b Plate Special 1 x 2 with 1 Stud with Groove (Jumper) | 2 | |
| Dark Bluish Gray | 4081b Plate Special 1 x 1 with Clip Light, Bar Hole [Thick Ring] | 2 | |
| White | 4460b Brick Sloped 75° 2 x 1 x 3 with Hollow Stud | 2 | |
| Light Bluish Gray | 48729b Bar 1L with Clip [Cut Edges and One Side Hole] [Gap in Clip] | 2 | |
| Red | 50950 Brick Curved 3 x 1 No Studs | 2 | |
| White | 60475b Brick Special 1 x 1 with Clip Vertical [Open O Clip, Hollow Stud] | 2 | |
| Light Bluish Gray | 63965 Bar 6L with Stop Ring | 2 | |
| Black | 6628 Pin with Friction Ridges Lengthwise and Towball | 2 | |
| White | 87544 Panel 1 x 2 x 3 [Side Supports / Hollow Studs] | 2 | |
| White | 91501 Panel 2 x 2 x 1 Corner | 2 | |
| Dark Bluish Gray | 92593 Plate Special 1 x 4 with 2 Studs, 3 Bottom Tubes | 2 | |
| Red | 15571 Brick Sloped 45° 2 x 1 Triple with Inside Stud Holder | 1 | |
| Light Bluish Gray | 15712 Tile Special 1 x 1 with Clip with Rounded Edges | 1 | |
| Light Bluish Gray | 22961 Pin Connector Hub with 1 Axle | 1 | |
| Dark Blue | 2419 Wedge Plate 3 x 6 Cut Corners | 1 | |
| Yellow | 2432 Tile Special 1 x 2 with Handle | 1 | |
| Black | 2780 Pin with Friction Ridges Lengthwise and Center Slots | 1 | |
| Black | 3001 Brick 2 x 4 | 1 | |
| Red | 3003 Brick 2 x 2 | 1 | |
| Dark Bluish Gray | 30395 Hook with Towball | 1 | |
| White | 3069b Tile 1 x 2 with Groove | 1 | |
| Dark Bluish Gray | 32064a Brick 1 x 2 with Axle Hole Type 1 [+ Opening] and Bottom Pin | 1 | |
| Light Bluish Gray | 3460 Plate 1 x 8 | 1 | |
| Yellow | 3660 Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes] | 1 | |
| Yellow | 3700 Brick 1 x 2 [1 Pin Hole] | 1 | |
| White | 3795 Plate 2 x 6 | 1 | |
| Black | 41532 Hinge Cylinder 1 x 3 Locking with 1 Finger and Friction Pin with Round Hole | 1 | |
| Dark Blue | 41769 Wedge Plate 4 x 2 Right | 1 | |
| Dark Blue | 41770 Wedge Plate 4 x 2 Left | 1 | |
| Blue | 4274 Pin 1/2 without Friction Ridges | 1 | |
| Dark Bluish Gray | 44302a Hinge Plate 1 x 2 Locking with 2 Fingers On End, with Groove, 9 Teeth | 1 | |
| Light Bluish Gray | 87580 Plate Special 2 x 2 with Groove and Center Stud (Jumper) | 1 | |
| Black | 2780 Pin with Friction Ridges Lengthwise and Center Slots | 1 spare | |
| Blue | 4274 Pin 1/2 without Friction Ridges | 1 spare | |
| Light Bluish Gray | 48729b Bar 1L with Clip [Cut Edges and One Side Hole] [Gap in Clip] | 1 spare | |
| Red | 54200 Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) | 1 spare | |
| Dark Blue | 54200 Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) | 1 spare | |
| Light Bluish Gray | 6141 Plate Round 1 x 1 with Solid Stud | 1 spare | |
| Trans-Brown | 54200 Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) | 4 | Buy |
| Trans-Red | 6141 Plate Round 1 x 1 with Solid Stud | 3 | Buy |
| Trans-Green | 6141 Plate Round 1 x 1 with Solid Stud | 3 | Buy |
| Light Bluish Gray | 4599b Tap 1 x 1 without Hole in Spout | 2 | Buy |
| Trans-Clear | 6141 Plate Round 1 x 1 with Solid Stud | 2 | Buy |
| Black | 16091 Steering Wheel Small, 2 x 2 [Reinforced] | 1 | Buy |
| Trans-Clear | 30151b Brick Round 2 x 2 x 1 2/3 Dome Top, Hollow Stud | 1 | Buy |
| Dark Bluish Gray | 30162 Equipment Binoculars | 1 | Buy |
| Black | 98560 Brick Sloped 75° 2 x 2 x 3 [Solid Studs] | 1 | Buy |
| Light Bluish Gray | 4599b Tap 1 x 1 without Hole in Spout | 1 spare | Buy |
| Trans-Brown | 54200 Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) | 1 spare | Buy |
| Trans-Red | 6141 Plate Round 1 x 1 with Solid Stud | 1 spare | Buy |
| Trans-Clear | 6141 Plate Round 1 x 1 with Solid Stud | 1 spare | Buy |
| Trans-Green | 6141 Plate Round 1 x 1 with Solid Stud | 1 spare | Buy |
Print set 31045 at home
The set tool makes an STL file for each of the 195 printable pieces, sorted by colour, plus a shopping list for the 18 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.