Universal Building Set (722): parts list and STL files

Set 722, Universal Building Set, from 1980, has 302 pieces in 99 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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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).

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253to print

49to buy

8spares

99kinds

253 to print, 49 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 722

Parts in set 722, Universal Building Set
Colour	Part	Qty	Print or buy
Red	3004 Brick 1 x 2	24	Print
Red	3005 Brick 1 x 1	18	Print
Red	3008 Brick 1 x 8	12	Print
Red	3009 Brick 1 x 6	12	Print
Red	3010 Brick 1 x 4	10	Print
Red	3660 Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes]	8	Print
Red	3700 Brick 1 x 2 [1 Pin Hole]	8	Print
Red	3023 Plate 1 x 2	7	Print
Light Gray	3004 Brick 1 x 2	6	Print
Red	3020 Plate 2 x 4	6	Print
Light Gray	3710 Plate 1 x 4	6	Print
Red	3710 Plate 1 x 4	6	Print
Light Gray	3020 Plate 2 x 4	5	Print
Red	3022 Plate 2 x 2	4	Print
Red	3039 Brick Sloped 45° 2 x 2	4	Print
Light Gray	3040a Brick Sloped 45° 2 x 1 without Bottom Pin	4	Print
Black	3062b Brick Round 1 x 1 Open Stud	4	Print
Red	3069b Tile 1 x 2 with Groove	4	Print
Red	3622 Brick 1 x 3	4	Print
Red	3623 Plate 1 x 3	4	Print
Light Gray	3660 Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes]	4	Print
Light Gray	3665 Brick Sloped Inverted 45° 2 x 1	4	Print
Red	3665 Brick Sloped Inverted 45° 2 x 1	4	Print
Red	3666 Plate 1 x 6	4	Print
Black	3706 Axle 6	4	Print
Light Gray	3022 Plate 2 x 2	3	Print
Red	3298 Brick Sloped 33° 3 x 2	3	Print
Red	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
Red	3003a Brick 2 x 2 without Inside Ridges	2	Print
Light Gray	3005 Brick 1 x 1	2	Print
Light Gray	3008 Brick 1 x 8	2	Print
Light Gray	3009 Brick 1 x 6	2	Print
Light Gray	3010 Brick 1 x 4	2	Print
Red	3021 Plate 2 x 3	2	Print
Light Gray	3023 Plate 1 x 2	2	Print
Red	3024 Plate 1 x 1	2	Print
Light Gray	3024 Plate 1 x 1	2	Print
Red	3029 Plate 4 x 12	2	Print
Light Gray	3034 Plate 2 x 8	2	Print
Red	3040a Brick Sloped 45° 2 x 1 without Bottom Pin	2	Print
Red	3070b Tile 1 x 1 with Groove	2	Print
Red	3455 Brick Arch 1 x 6	2	Print
Red	3460 Plate 1 x 8	2	Print
Red	3581 Brick Special 1 x 1 x 2 with Shutter Holder	2	Print
Light Gray	3622 Brick 1 x 3	2	Print
Yellow	3644 Door 1 x 4 x 6	2	Print
Light Gray	3666 Plate 1 x 6	2	Print
Light Gray	3749 Axle Pin without Friction Ridges Lengthwise	2	Print
Red	3795 Plate 2 x 6	2	Print
Light Gray	3956 Bracket 2 x 2 - 2 x 2	2	Print
Red	3027 Plate 6 x 16	1	Print
Red	3028 Plate 6 x 12	1	Print
Red	3032 Plate 4 x 6	1	Print
Light Gray	3032 Plate 4 x 6	1	Print
Red	3036 Plate 6 x 8	1	Print
Light Gray	3036 Plate 6 x 8	1	Print
Light Gray	3127b Hook, Plate 1 x 2 with Crane Hook Right	1	Print
Light Gray	3176 Plate Special 3 x 2 with Rounded End, Hole	1	Print
Red	3188 Door 1 x 3 x 2 Right	1	Print
Red	3189 Door 1 x 3 x 2 Left	1	Print
Light Gray	3192 Door 1 x 3 x 4 Right	1	Print
Light Gray	3193 Door 1 x 3 x 4 Left	1	Print
Light Gray	3679 Turntable 2 x 2 Plate - Top	1	Print
Red	3680 Turntable 2 x 2 Plate, Base	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	3795 Plate 2 x 6	1	Print
Light Gray	3821 Door 1 x 3 x 1 Right	1	Print
Light Gray	3822 Door 1 x 3 x 1 Left	1	Print
Light Gray	4085a Plate Special 1 x 1 with Clip Vertical [Thin Open O Clip]	1	Print
Red	3455 Brick Arch 1 x 6	2 spare	Print
Red	3024 Plate 1 x 1	1 spare	Print
Light Gray	3024 Plate 1 x 1	1 spare	Print
Red	3070b Tile 1 x 1 with Groove	1 spare	Print
Light Gray	3482 Wheel with Split Axle hole	8	Buy
Black	3483 Tyre Offset Tread 24 x 8	8	Buy
Trans-Yellow	3024 Plate 1 x 1	4	Buy
Trans-Clear	3004 Brick 1 x 2	3	Buy
Trans-Clear	3678a Brick Sloped 65° 2 x 2 x 2 Smooth without Bottom Tube	3	Buy
Trans-Clear	3010 Brick 1 x 4	2	Buy
Light Gray	3010apr0004 Brick 1 x 4 with Black 15 Bars Grill Print	2	Buy
Trans-Clear	3039 Brick Sloped 45° 2 x 2	2	Buy
Trans-Yellow	3062b Brick Round 1 x 1 Open Stud	2	Buy
Yellow	3461 Propeller 4 Blade 5 Diameter with Hole for Rotor Holder	2	Buy
Light Gray	3480 Propeller 2 Blade	2	Buy
Red	3481 Plate Special 2 x 2 with Helicopter Tail Rotor Holder	2	Buy
Trans-Clear	3939 Brick Sloped 33° 3 x 6	2	Buy
Light Gray	3324ac01 Hinge Plate 2 x 9 with Hole Close to Hinge [Complete Assembly]	1	Buy
Red	3462 Plate Special 2 x 3 with Helicopter Rotor Holder	1	Buy
Light Gray	3829c01 Steering Stand 1 x 2 with Black Steering Wheel	1	Buy
Black	3957a Antenna 1 x 4 with Rounded Top	1	Buy
Black	4006 Tool Screwdriver and Spanner / Wrench	1	Buy
Black	56823 String Cord Thin (0.5mm) [Undetermined Length]	1	Buy
Red	73037 String Reel Winch 2 x 4 x 2 (Light Gray Drum)	1	Buy
Trans-Clear	3004 Brick 1 x 2	1 spare	Buy
Trans-Yellow	3024 Plate 1 x 1	1 spare	Buy
Black	4006 Tool Screwdriver and Spanner / Wrench	1 spare	Buy

Print set 722 at home

The set tool makes an STL file for each of the 253 printable pieces, sorted by colour, plus a shopping list for the 49 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.