Universal Building Set (733): parts list and STL files

Set 733, Universal Building Set, from 1980, has 504 pieces in 144 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.

Universal Building Set, built (3D picture) — What it looks like built. A 3D picture, not a photo, made from the LDraw model by Takeshi Takahashi (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.

429to print

75to buy

4spares

144kinds

429 to print, 75 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 733

Parts in set 733, Universal Building Set
Colour	Part	Qty	Print or buy
Red	3004 Brick 1 x 2	23	Print
Red	3010 Brick 1 x 4	21	Print
Red	3009 Brick 1 x 6	18	Print
Red	3005 Brick 1 x 1	16	Print
Blue	3037 Brick Sloped 45° 2 x 4	16	Print
Red	3008 Brick 1 x 8	14	Print
Blue	3660 Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes]	12	Print
Blue	3665 Brick Sloped Inverted 45° 2 x 1	10	Print
Blue	3700 Brick 1 x 2 [1 Pin Hole]	10	Print
Blue	3004 Brick 1 x 2	8	Print
Blue	3039 Brick Sloped 45° 2 x 2	8	Print
Blue	3045 Brick Sloped 45° 2 x 2 Double Convex	8	Print
Red	3622 Brick 1 x 3	8	Print
Red	3665 Brick Sloped Inverted 45° 2 x 1	8	Print
White	3854 Window 1 x 2 x 3 Pane	8	Print
Blue	3009 Brick 1 x 6	6	Print
Light Gray	3749 Axle Pin without Friction Ridges Lengthwise	6	Print
Blue	3023 Plate 1 x 2	5	Print
Light Gray	3034 Plate 2 x 8	5	Print
Black	3706 Axle 6	5	Print
Blue	3005 Brick 1 x 1	4	Print
Blue	3008 Brick 1 x 8	4	Print
Blue	3010 Brick 1 x 4	4	Print
Red	3020 Plate 2 x 4	4	Print
Blue	3020 Plate 2 x 4	4	Print
Light Gray	3020 Plate 2 x 4	4	Print
Blue	3022 Plate 2 x 2	4	Print
Light Gray	3022 Plate 2 x 2	4	Print
Red	3023 Plate 1 x 2	4	Print
Red	3024 Plate 1 x 1	4	Print
Blue	3024 Plate 1 x 1	4	Print
Blue	3038 Brick Sloped 45° 2 x 3	4	Print
Blue	3040b Brick Sloped 45° 2 x 1 with Bottom Pin	4	Print
Red	3040b Brick Sloped 45° 2 x 1 with Bottom Pin	4	Print
Light Gray	3062b Brick Round 1 x 1 Open Stud	4	Print
Red	3069b Tile 1 x 2 with Groove	4	Print
Blue	3069b Tile 1 x 2 with Groove	4	Print
Red	3460 Plate 1 x 8	4	Print
Blue	3460 Plate 1 x 8	4	Print
Blue	3622 Brick 1 x 3	4	Print
Blue	3623 Plate 1 x 3	4	Print
Blue	3666 Plate 1 x 6	4	Print
Blue	3710 Plate 1 x 4	4	Print
Blue	3795 Plate 2 x 6	4	Print
Blue	3853 Window 1 x 4 x 3	4	Print
Blue	3856 Window 1 x 2 x 3 Shutter	4	Print
Blue	3041 Brick Sloped 45° 2 x 4 Double	3	Print
Blue	3298 Brick Sloped 33° 3 x 2	3	Print
Blue	3747a Brick Sloped Inverted 33° 3 x 2, No Connections between Studs, Ovoid Bottom Pin	3	Print
Red	3001a Brick 2 x 4 without Cross Supports	2	Print
Red	3002a Brick 2 x 3 without Cross Supports	2	Print
Blue	3002a Brick 2 x 3 without Cross Supports	2	Print
Red	3003a Brick 2 x 2 without Inside Ridges	2	Print
Blue	3003a Brick 2 x 2 without Inside Ridges	2	Print
Red	3021 Plate 2 x 3	2	Print
Blue	3021 Plate 2 x 3	2	Print
Red	3022 Plate 2 x 2	2	Print
Red	3034 Plate 2 x 8	2	Print
Blue	3034 Plate 2 x 8	2	Print
Blue	3035 Plate 4 x 8	2	Print
Red	3036 Plate 6 x 8	2	Print
Blue	3036 Plate 6 x 8	2	Print
Blue	3043 Brick Sloped 45° 2 x 2 Double	2	Print
Blue	3044a Brick Sloped 45° 2 x 1 Double without Bottom Pin	2	Print
Blue	3048a Brick Sloped 45° 2 x 1 Triple with Hollow Underside	2	Print
Blue	3049c Brick Sloped 45° 2 x 1 Double / Inverted with Hollow Bottom	2	Print
Blue	3070b Tile 1 x 1 with Groove	2	Print
Red	3581 Brick Special 1 x 1 x 2 with Shutter Holder	2	Print
Red	3623 Plate 1 x 3	2	Print
Blue	3644 Door 1 x 4 x 6	2	Print
Red	3660 Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes]	2	Print
Red	3666 Plate 1 x 6	2	Print
Red	3709 Plate 2 x 4 [3 Holes]	2	Print
Red	3710 Plate 1 x 4	2	Print
Light Gray	3713 Bush	2	Print
Red	3795 Plate 2 x 6	2	Print
Red	3830 Hinge Brick 1 x 4 [Upper]	2	Print
Red	3831 Hinge Brick 1 x 4 [Lower]	2	Print
Light Gray	3839a Plate Special 1 x 2 with Handles [Round Ends, Mid Attachment]	2	Print
Light Gray	3937 Hinge Brick 1 x 2 Base	2	Print
Light Gray	3938 Hinge Brick 1 x 2 Top Plate Thin	2	Print
Light Gray	3941 Brick Round 2 x 2 with Axle Hole	2	Print
Light Gray	3956 Bracket 2 x 2 - 2 x 2	2	Print
Red	4070 Brick Special 1 x 1 with Headlight	2	Print
Light Gray	4085a Plate Special 1 x 1 with Clip Vertical [Thin Open O Clip]	2	Print
Blue	3001a Brick 2 x 4 without Cross Supports	1	Print
Blue	3029 Plate 4 x 12	1	Print
Red	3032 Plate 4 x 6	1	Print
Blue	3032 Plate 4 x 6	1	Print
Blue	3042 Brick Sloped 45° 2 x 3 Double	1	Print
Light Gray	3127 Hook, Plate 1 x 2 with Crane Hook Left	1	Print
Blue	3188 Door 1 x 3 x 2 Right	1	Print
Blue	3189 Door 1 x 3 x 2 Left	1	Print
Light Gray	3315 Hinge Plate 2 x 4 - Male (Digger Bucket Holder)	1	Print
Black	3403c01 Turntable 4 x 4 Square Base with Top, Complete Assembly	1	Print
Light Gray	3491 Plate Special 2 x 5 with Towball Socket	1	Print
Yellow	3492c01 Crane Bucket [Complete Assembly]	1	Print
Light Gray	3597 Hinge Plate 2 x 4 - Female (Digger Bucket Holder)	1	Print
Light Gray	3647 Gear 8 Tooth	1	Print
Light Gray	3650a Gear 24 Tooth Crown with Flat Teeth	1	Print
Light Gray	3673 Pin without Friction Ridges Lengthwise	1	Print
Light Gray	3679 Turntable 2 x 2 Plate - Top	1	Print
Blue	3680 Turntable 2 x 2 Plate, Base	1	Print
Black	3705 Axle 4	1	Print
Light Gray	3729 Plate Special 2 x 2 with Towball	1	Print
Light Gray	3730 Plate Special 2 x 2 with Towball Socket, Short, 4 Slots	1	Print
Light Gray	3736 Steering Pulley Large	1	Print
Black	3737 Axle 10	1	Print
Red	3738 Plate 2 x 8 [7 Holes]	1	Print
Blue	3821 Door 1 x 3 x 1 Right	1	Print
Blue	3822 Door 1 x 3 x 1 Left	1	Print
White	3861b Door 1 x 4 x 5 with 4 Panes, Squared Base	1	Print
Light Gray	3960 Dish 4 x 4 Inverted [Radar]	1	Print
Light Gray	3961 Dish 8 x 8 Inverted [Radar], Solid Studs, Rounded Anti-stud Underside	1	Print
Red	3024 Plate 1 x 1	1 spare	Print
Blue	3024 Plate 1 x 1	1 spare	Print
Blue	3070b Tile 1 x 1 with Groove	1 spare	Print
Light Gray	3482 Wheel with Split Axle hole	10	Buy
Black	3483 Tyre Offset Tread 24 x 8	10	Buy
Blue	3046a Brick Sloped 45° 2 x 2 Double Concave	8	Buy
Trans-Clear	3004 Brick 1 x 2	4	Buy
Trans-Yellow	3024 Plate 1 x 1	4	Buy
Light Gray	3228b Vehicle Track, Train, Slotted Rail Straight	4	Buy
Black	3641 Tyre 15 x 6 Offset Tread Small	4	Buy
Trans-Clear	3678a Brick Sloped 65° 2 x 2 x 2 Smooth without Bottom Tube	4	Buy
Trans-Clear	3039 Brick Sloped 45° 2 x 2	3	Buy
Light Gray	122c01 Plate Special 2 x 2 with Wheels Red	2	Buy
Trans-Clear	3010 Brick 1 x 4	2	Buy
Trans-Yellow	3062b Brick Round 1 x 1 Open Stud	2	Buy
Light Gray	3461 Propeller 4 Blade 5 Diameter with Hole for Rotor Holder	2	Buy
Light Gray	3963 Brick Special 1 x 1 with 3 Speakers / Loudspeakers / Space Positioning Rockets	2	Buy
Black	56823 String Cord Thin (0.5mm) [Undetermined Length]	2	Buy
Blue	73037 String Reel Winch 2 x 4 x 2 (Light Gray Drum)	2	Buy
Light Gray	3324ac01 Hinge Plate 2 x 9 with Hole Close to Hinge [Complete Assembly]	1	Buy
Blue	3462 Plate Special 2 x 3 with Helicopter Rotor Holder	1	Buy
Blue	3481 Plate Special 2 x 2 with Helicopter Tail Rotor Holder	1	Buy
Green	3811 Baseplate 32 x 32	1	Buy
Blue	3829c01 Steering Stand 1 x 2 with Black Steering Wheel	1	Buy
Trans-Clear	3939 Brick Sloped 33° 3 x 6	1	Buy
Light Gray	3957a Antenna 1 x 4 with Rounded Top	1	Buy
Light Gray	3959 Weapon Gun / Torch (Space) [with Grooves]	1	Buy
Black	3962a Equipment Radio [Compact Handle]	1	Buy
Black	4006 Tool Screwdriver and Spanner / Wrench	1	Buy
Trans-Yellow	3024 Plate 1 x 1	1 spare	Buy

Print set 733 at home

The set tool makes an STL file for each of the 429 printable pieces, sorted by colour, plus a shopping list for the 75 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.