Universal Building Set (8020): parts list and STL files

Set 8020, Universal Building Set, from 1984, has 119 pieces in 41 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.

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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 Michal Oravec (CC BY 2.0).

See the finished set (photo) on Rebrickable ↗

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104to print

15to buy

5spares

41kinds

104 to print, 15 to buy, 5 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 8020

Parts in set 8020, Universal Building Set
Colour	Part	Qty	Print or buy
Yellow	3023 Plate 1 x 2	16	Print
Yellow	3700 Brick 1 x 2 [1 Pin Hole]	8	Print
Yellow	3702 Brick 1 x 8 [7 Pin Holes]	8	Print
Light Gray	3749 Axle Pin without Friction Ridges Lengthwise	7	Print
Yellow	3004 Brick 1 x 2	4	Print
Yellow	3666 Plate 1 x 6	4	Print
Light Gray	3673 Pin without Friction Ridges Lengthwise	4	Print
Yellow	3710 Plate 1 x 4	4	Print
Light Gray	3713 Bush	4	Print
Yellow	3795 Plate 2 x 6	4	Print
Black	4459 Pin with Friction Ridges Lengthwise, without Center Slots	4	Print
Light Gray	3647 Gear 8 Tooth	3	Print
Light Gray	3710 Plate 1 x 4	3	Print
Light Gray	4262 Plate 1 x 6 with Toothed Ends	3	Print
Light Gray	3023 Plate 1 x 2	2	Print
Yellow	3040b Brick Sloped 45° 2 x 1 with Bottom Pin	2	Print
Yellow	3665 Brick Sloped Inverted 45° 2 x 1	2	Print
Black	3705 Axle 4	2	Print
Black	3706 Axle 6	2	Print
Yellow	3709 Plate 2 x 4 [3 Holes]	2	Print
Yellow	3894 Brick 1 x 6 [5 Pin Holes]	2	Print
Black	3895 Brick 1 x 12 [11 Pin Holes]	2	Print
Yellow	4070 Brick Special 1 x 1 with Headlight	2	Print
Light Gray	4261 Steering Arm	2	Print
Yellow	3022 Plate 2 x 2	1	Print
Light Gray	3068b Tile 2 x 2 with Groove	1	Print
Light Gray	3648a Gear 24 Tooth [Old Style - Three axle holes]	1	Print
Light Gray	3650a Gear 24 Tooth Crown with Flat Teeth	1	Print
Black	3707 Axle 8	1	Print
Light Gray	3743 Gear Rack 1 x 4	1	Print
Yellow	3821 Door 1 x 3 x 1 Right	1	Print
Yellow	3822 Door 1 x 3 x 1 Left	1	Print
Light Gray	3673 Pin without Friction Ridges Lengthwise	2 spare	Print
Light Gray	3713 Bush	1 spare	Print
Light Gray	3749 Axle Pin without Friction Ridges Lengthwise	1 spare	Print
Light Gray	3482 Wheel with Split Axle hole	5	Buy
Black	3483 Tyre Offset Tread 24 x 8	5	Buy
Trans-Yellow	3024 Plate 1 x 1	2	Buy
Trans-Red	6141 Plate Round 1 x 1 with Solid Stud	2	Buy
Trans-Clear	4176 Windscreen 2 x 6 x 2, Wide Top	1	Buy
Trans-Red	6141 Plate Round 1 x 1 with Solid Stud	1 spare	Buy

Print set 8020 at home

The set tool makes an STL file for each of the 104 printable pieces, sorted by colour, plus a shopping list for the 15 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.