Catamaran (42105): parts list and STL files

Set 42105, Catamaran, from 2020, has 405 pieces in 84 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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Catamaran, 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).

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396to print

9to buy

8spares

84kinds

396 to print, 9 to buy, 8 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 42105

Parts in set 42105, Catamaran
Colour	Part	Qty	Print or buy
Black	2780 Pin with Friction Ridges Lengthwise and Center Slots	47	Print
Blue	43093 Axle Pin with Friction Ridges Lengthwise	33	Print
Blue	6558 Pin Long with Friction Ridges Lengthwise, 2 Center Slots	17	Print
Light Bluish Gray	18654 Pin Connector Round 1L [Beam]	16	Print
Red	32062 Axle 2 Notched	15	Print
Black	6628 Pin with Friction Ridges Lengthwise and Towball	14	Print
Dark Bluish Gray	6632 Beam 1 x 3 Thin	12	Print
Dark Bluish Gray	59443 Axle Connector Smooth [with x Hole + Orientation]	10	Print
Black	32039 Axle Connector with Axle Hole	9	Print
Light Bluish Gray	4274 Pin 1/2 without Friction Ridges	9	Print
Light Bluish Gray	4519 Axle 3	9	Print
Reddish Brown	24316 Axle 3 with Stop	8	Print
Light Bluish Gray	32054 Pin Long with Friction Ridges Lengthwise and Stop Bush [3 Lateral Holes, Big Pin Hole]	8	Print
Dark Bluish Gray	32056 Beam 3 x 3 L-Shape Thin	8	Print
Red	3705 Axle 4	8	Print
Light Bluish Gray	3713 Bush	8	Print
White	6536 Axle and Pin Connector Perpendicular	8	Print
Dark Bluish Gray	15100 Pin Connector Hub with 1 Pin with Friction Ridges Lengthwise	7	Print
Dark Bluish Gray	32034 Axle and Pin Connector Angled #2 - 180°	7	Print
Dark Bluish Gray	32278 Beam 1 x 15 Thick	7	Print
Black	60483 Beam 1 x 2 Thick with Pin Hole and Axle Hole	7	Print
White	18948 Driving Ring Connector	6	Print
Orange	42003 Axle and Pin Connector Perpendicular 3L with 2 Pin Holes	6	Print
White	6632 Beam 1 x 3 Thin	6	Print
Light Bluish Gray	32123b Bush 1/2 Smooth with Axle Hole Semi-Reduced	5	Print
Black	33299b Beam 3 x 0.5 Liftarm with Boss and Pin Semi-Reduced	5	Print
Dark Bluish Gray	87083 Axle 4 with Stop	5	Print
Reddish Brown	15462 Axle 5 with Stop	4	Print
Dark Bluish Gray	32013 Axle and Pin Connector Angled #1	4	Print
Light Bluish Gray	32291 Axle and Pin Connector Perpendicular Double	4	Print
Black	32293 Link 1 x 9	4	Print
Dark Bluish Gray	32524 Beam 1 x 7 Thick	4	Print
Light Bluish Gray	41678 Axle and Pin Connector Perpendicular Double Split	4	Print
Dark Bluish Gray	99012 Rotor Blade Small with Hole and Axle Connector End	4	Print
Black	11946 Panel Fairing #21 5L Small Smooth, Side B	3	Print
Black	11947 Panel Fairing #22 5L Small Smooth, Side A	3	Print
Light Bluish Gray	2736 Axle Towball	3	Print
Black	32270 Gear 12 Tooth Double Bevel	3	Print
Dark Bluish Gray	32316 Beam 1 x 5 Thick	3	Print
Black	3737 Axle 10	3	Print
Dark Bluish Gray	60484 Beam 3 x 3 T-Shape Thick	3	Print
Red	11214 Axle Pin 3L with Friction Ridges Lengthwise and 1L Axle	2	Print
Lime	11946 Panel Fairing #21 5L Small Smooth, Side B	2	Print
Lime	11947 Panel Fairing #22 5L Small Smooth, Side A	2	Print
Tan	18575 Gear 20 Tooth Double Bevel with Axle Hole Type 1 [+ Opening]	2	Print
Yellow	23948 Axle 11	2	Print
Dark Bluish Gray	27938 Worm Gear Short	2	Print
Dark Bluish Gray	32014 Axle and Pin Connector Angled #6 - 90°	2	Print
Lime	32140 Beam 2 x 4 L-Shape Thick	2	Print
Dark Bluish Gray	32184 Axle and Pin Connector Perpendicular 3L with Centre Pin Hole	2	Print
Lime	32278 Beam 1 x 15 Thick	2	Print
Lime	32316 Beam 1 x 5 Thick	2	Print
Dark Bluish Gray	32348 Beam 1 x 7 Bent (4 - 4) Thick	2	Print
White	32523 Beam 1 x 3 Thick	2	Print
Lime	32523 Beam 1 x 3 Thick	2	Print
Lime	32525 Beam 1 x 11 Thick	2	Print
Black	3706 Axle 6	2	Print
White	40490 Beam 1 x 9 Thick	2	Print
Yellow	44294 Axle 7	2	Print
Black	64781 Gear Rack 1 x 13 with Axle and Pin Holes	2	Print
Light Bluish Gray	22961 Pin Connector Hub with 1 Axle	1	Print
Dark Bluish Gray	27940 Pin Connector Hub with 2 Axles	1	Print
Dark Bluish Gray	32523 Beam 1 x 3 Thick	1	Print
Dark Bluish Gray	32525 Beam 1 x 11 Thick	1	Print
Tan	3749 Axle Pin without Friction Ridges Lengthwise	1	Print
Dark Bluish Gray	41239 Beam 1 x 13 Thick	1	Print
Light Bluish Gray	48989 Pin Connector Hub Perpendicular 3L with 4 Pins	1	Print
Light Bluish Gray	60485 Axle 9	1	Print
Light Bluish Gray	64178 Beam 5 x 11 with 3 x 5 Opening Frame Thick	1	Print
Light Bluish Gray	18654 Pin Connector Round 1L [Beam]	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
Light Bluish Gray	3713 Bush	1 spare	Print
Light Bluish Gray	4274 Pin 1/2 without Friction Ridges	1 spare	Print
Black	16091 Steering Wheel Small, 2 x 2 [Reinforced]	2	Buy
Lime	65781 Boat / Pontoon 36 x 7 x 7 with Blue Bottom	2	Buy
Trans-Clear	6141 Plate Round 1 x 1 with Solid Stud	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
[No Color/Any Color]	66645a Sail, Triangular, with 'Kool Keels Anchor Bouy', '42105', and Waves with Dots Print	1	Buy
[No Color/Any Color]	66645b Sail, Triangular, with Waves with Dots Print	1	Buy
Trans-Green	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-Red	6141 Plate Round 1 x 1 with Solid Stud	1 spare	Buy

Print set 42105 at home

The set tool makes an STL file for each of the 396 printable pieces, sorted by colour, plus a shopping list for the 9 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.