Cement Mixer (42112): parts list and STL files

Set 42112, Cement Mixer, from 2020, has 1,161 pieces in 138 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.

Cement Mixer, 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.

1,117to print

44to buy

13spares

138kinds

1,117 to print, 44 to buy, 13 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 42112

Parts in set 42112, Cement Mixer
Colour	Part	Qty	Print or buy
Black	2780 Pin with Friction Ridges Lengthwise and Center Slots	161	Print
Blue	6558 Pin Long with Friction Ridges Lengthwise, 2 Center Slots	111	Print
Dark Bluish Gray	18654 Pin Connector Round 1L [Beam]	100	Print
Blue	43093 Axle Pin with Friction Ridges Lengthwise	46	Print
Black	6536 Axle and Pin Connector Perpendicular	34	Print
Yellow	4519 Axle 3	31	Print
Light Bluish Gray	42003 Axle and Pin Connector Perpendicular 3L with 2 Pin Holes	28	Print
White	18654 Pin Connector Round 1L [Beam]	27	Print
Light Bluish Gray	4274 Pin 1/2 without Friction Ridges	26	Print
Orange	32054 Pin Long with Friction Ridges Lengthwise and Stop Bush [3 Lateral Holes, Big Pin Hole]	23	Print
Light Bluish Gray	32316 Beam 1 x 5 Thick	20	Print
Red	11214 Axle Pin 3L with Friction Ridges Lengthwise and 1L Axle	19	Print
Light Bluish Gray	3713 Bush	18	Print
Black	18651 Axle Pin 3L with Friction Ridges Lengthwise and 2L Axle	16	Print
Light Bluish Gray	32073 Axle 5	16	Print
Yellow	32184 Axle and Pin Connector Perpendicular 3L with Centre Pin Hole	16	Print
Blue	32523 Beam 1 x 3 Thick	14	Print
Orange	60483 Beam 1 x 2 Thick with Pin Hole and Axle Hole	14	Print
Light Bluish Gray	32523 Beam 1 x 3 Thick	13	Print
Red	59443 Axle Connector Smooth [with x Hole + Orientation]	13	Print
Light Bluish Gray	65489 Pin Connector Hub Perpendicular 3L with 4 Pins (Squared Holes)	13	Print
Red	32062 Axle 2 Notched	12	Print
Light Bluish Gray	32526 Beam 3 x 5 L-Shape Thick	12	Print
Black	32034 Axle and Pin Connector Angled #2 - 180°	11	Print
Black	65487 Pin Connector Hub with 1 Pin with Friction Ridges Lengthwise [Centered Friction Ridge]	11	Print
Reddish Brown	24316 Axle 3 with Stop	10	Print
Light Bluish Gray	32140 Beam 2 x 4 L-Shape Thick	10	Print
White	32524 Beam 1 x 7 Thick	10	Print
Black	32525 Beam 1 x 11 Thick	10	Print
Red	44874 Pin Connector Hub with 2 Pins with Friction Ridges Lengthwise [Small Squared Pin Holes]	9	Print
Dark Blue	32526 Beam 3 x 5 L-Shape Thick	8	Print
Light Bluish Gray	40490 Beam 1 x 9 Thick	8	Print
Light Bluish Gray	42195 Driving Ring Connector Smooth [2 rounded and 2 flat side walls]	8	Print
Tan	6589 Gear 12 Tooth Bevel	8	Print
Light Bluish Gray	32524 Beam 1 x 7 Thick	7	Print
Black	3705 Axle 4	7	Print
Light Bluish Gray	22961 Pin Connector Hub with 1 Axle	6	Print
Dark Bluish Gray	27940 Pin Connector Hub with 2 Axles	6	Print
Black	32013 Axle and Pin Connector Angled #1	6	Print
Blue	32140 Beam 2 x 4 L-Shape Thick	6	Print
Black	32270 Gear 12 Tooth Double Bevel	6	Print
Blue	32348 Beam 1 x 7 Bent (4 - 4) Thick	6	Print
White	39793 Connector Beam 3 x 3	6	Print
Light Bluish Gray	41239 Beam 1 x 13 Thick	6	Print
Blue	6629 Beam 1 x 9 Bent (6 - 4) Thick	6	Print
Dark Blue	60483 Beam 1 x 2 Thick with Pin Hole and Axle Hole	5	Print
Black	60484 Beam 3 x 3 T-Shape Thick	5	Print
White	24119 Panel Curved 7 x 3 with 2 Pin Holes through Panel Surface	4	Print
Light Bluish Gray	25214 Brick Round 1 x 1 diameter Tube with 90 Degree Elbow (2 x 2 x 1) and Axle Holes (Crossholes) at each end	4	Print
Light Bluish Gray	32063 Beam 1 x 6 Thin	4	Print
Yellow	32123b Bush 1/2 Smooth with Axle Hole Semi-Reduced	4	Print
White	32249 Beam 3 x 3 L-Shape with Quarter Ellipse Thin	4	Print
Blue	32249 Beam 3 x 3 L-Shape with Quarter Ellipse Thin	4	Print
Black	32291 Axle and Pin Connector Perpendicular Double	4	Print
Dark Blue	32316 Beam 1 x 5 Thick	4	Print
Tan	32556 Pin Long without Friction Ridges	4	Print
Dark Bluish Gray	55013 Axle 8 with Stop	4	Print
Light Bluish Gray	64179 Beam Frame 5 x 7 with 3 x 5 Opening Thick	4	Print
Blue	6536 Axle and Pin Connector Perpendicular	4	Print
Dark Bluish Gray	87083 Axle 4 with Stop	4	Print
Light Bluish Gray	92907 Axle and Pin Connector Perpendicular Split	4	Print
Light Bluish Gray	94925 Gear 16 Tooth Reinforced [New Style]	4	Print
Light Bluish Gray	11946 Panel Fairing #21 5L Small Smooth, Side B	3	Print
Light Bluish Gray	11947 Panel Fairing #22 5L Small Smooth, Side A	3	Print
Tan	18575 Gear 20 Tooth Double Bevel with Axle Hole Type 1 [+ Opening]	3	Print
Black	32278 Beam 1 x 15 Thick	3	Print
Blue	41239 Beam 1 x 13 Thick	3	Print
Orange	10197 Pin Connector Hub with 2 Perpendicular Axles	2	Print
Dark Blue	11946 Panel Fairing #21 5L Small Smooth, Side B	2	Print
Dark Blue	11947 Panel Fairing #22 5L Small Smooth, Side A	2	Print
Light Bluish Gray	14720 Beam 3 x 5 Thick [90° Offset Centre Beam Holes]	2	Print
Red	18946 Gear 16 Tooth with Clutch on Both Sides	2	Print
Dark Blue	24116 Panel Curved and Bent 6 x 3	2	Print
Light Bluish Gray	24116 Panel Curved and Bent 6 x 3	2	Print
Light Bluish Gray	32015 Axle and Pin Connector Angled #5 - 112.5°	2	Print
Light Bluish Gray	32016 Axle and Pin Connector Angled #3 - 157.5°	2	Print
Black	32065 Beam 1 x 7 Thin	2	Print
Black	32126 Axle and Pin Connector Toggle Joint Smooth	2	Print
Dark Blue	32140 Beam 2 x 4 L-Shape Thick	2	Print
Black	32271 Beam 1 x 9 Bent (7 - 3) Thick	2	Print
Light Bluish Gray	32348 Beam 1 x 7 Bent (4 - 4) Thick	2	Print
Dark Blue	32523 Beam 1 x 3 Thick	2	Print
Light Bluish Gray	3673 Pin without Friction Ridges Lengthwise	2	Print
Tan	3749 Axle Pin without Friction Ridges Lengthwise	2	Print
Blue	40490 Beam 1 x 9 Thick	2	Print
White	40490 Beam 1 x 9 Thick	2	Print
Yellow	44294 Axle 7	2	Print
Light Bluish Gray	57585 Axle Connector Hub with 3 Axles at 120°	2	Print
Light Bluish Gray	60485 Axle 9	2	Print
Dark Blue	64782 Panel 5 x 11 x 1	2	Print
Light Bluish Gray	65098 Pin Double with Axle Hole - Squared Holes	2	Print
Light Bluish Gray	6629 Beam 1 x 9 Bent (6 - 4) Thick	2	Print
Black	87408 Pin Connector Toggle Joint Smooth Double with Axle and Pin Holes	2	Print
Black	87761 Gear Rack 1 x 7 with Axle and Pin Holes	2	Print
Tan	99008 Axle 4 with Centre Stop	2	Print
Reddish Brown	15462 Axle 5 with Stop	1	Print
Black	18938 Turntable Large Type 3 Top, 60 Tooth	1	Print
Light Bluish Gray	18939 Turntable Large Type 3 Base	1	Print
Dark Bluish Gray	18947 Driving Ring 3L	1	Print
White	18948 Driving Ring Connector	1	Print
Yellow	23948 Axle 11	1	Print
Light Bluish Gray	2431 Tile 1 x 4 with Groove	1	Print
Light Bluish Gray	2819 Steering Wheel Small (3 Studs Diameter)	1	Print
White	32013 Axle and Pin Connector Angled #1	1	Print
Black	32039 Axle Connector with Axle Hole	1	Print
Red	32192 Axle and Pin Connector Angled #4 - 135°	1	Print
Black	32498 Gear 36 Tooth Double Bevel	1	Print
Blue	35185 Gear 20 Tooth Double Bevel with Clutch on Both Sides	1	Print
Dark Bluish Gray	3648b Gear 24 Tooth [New Style with Single Axle Hole]	1	Print
Red	3706 Axle 6	1	Print
White	42531 Panel Car Mudguard Arched 9 x 2 x 3 #30	1	Print
White	46834 Clutch Outer Side with Axle Connector	1	Print
Dark Bluish Gray	46835 Clutch Inner Side with Axle Connector	1	Print
Red	51149 Changeover Catch - New Style	1	Print
Red	61408 Beam 3 x 0.5 Liftarm with Boss and Blocked, Squared Pin Hole	1	Print
Light Bluish Gray	61903 Universal Joint 3L [Complete Assembly]	1	Print
Black	63869 Axle and Pin Connector Perpendicular Triple	1	Print
Dark Bluish Gray	18654 Pin Connector Round 1L [Beam]	2 spare	Print
White	18654 Pin Connector Round 1L [Beam]	2 spare	Print
Black	2780 Pin with Friction Ridges Lengthwise and Center Slots	2 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
Light Bluish Gray	3713 Bush	1 spare	Print
Light Bluish Gray	4274 Pin 1/2 without Friction Ridges	1 spare	Print
Black	15413 Tyre 49.53 x 20	8	Buy
Light Bluish Gray	56145 Wheel 30.4 x 20 without Pinholes, with Reinforced Rim	8	Buy
Trans-Clear	6141 Plate Round 1 x 1 with Solid Stud	6	Buy
Trans-Orange	98138 Tile Round 1 x 1	6	Buy
Light Bluish Gray	42610 Wheel 11 x 8 with Center Groove	4	Buy
Black	50951 Tyre 14 x 6 Solid Smooth	4	Buy
Dark Bluish Gray	62821c Gear Differential with Inner Tabs and Closed Center, 28 Bevel Teeth [Sharp Edge]	2	Buy
Dark Blue	65421pr0001 Concrete Mixer Half Shell with Orange Arrow, White Circle Print	2	Buy
Trans-Red	98138 Tile Round 1 x 1	2	Buy
Black	32199 Axle Hose, Soft 11L	1	Buy
[No Color/Any Color]	68301 Sticker Sheet for Set 42112-1	1	Buy
Trans-Clear	6141 Plate Round 1 x 1 with Solid Stud	1 spare	Buy
Trans-Red	98138 Tile Round 1 x 1	1 spare	Buy
Trans-Orange	98138 Tile Round 1 x 1	1 spare	Buy

Print set 42112 at home

The set tool makes an STL file for each of the 1,117 printable pieces, sorted by colour, plus a shopping list for the 44 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.