Setobrick

LEGO part 3684: Brick Sloped 75° 2 x 2 x 3 [Hollow Studs]

Bricks Sloped18 colours196 sets

LEGO part LEGO part 3684: Brick Sloped 75° 2 x 2 x 3 [Hollow Studs]

Specifications

Reference3684
CategoryBricks Sloped
MaterialABS plastic
Colours18
Sets196
Listed pieces786
First appearance1995
Latest appearance2012
Element (Black)4286874 · 4248065
Most common colourBlack
Main themesCastle, Star Wars, Creator
SetopediaData: Rebrickable
Spec sheet updated on 2026-09-29

LEGO part 3684, Brick Sloped 75° 2 x 2 x 3 [Hollow Studs], belongs to the Bricks Sloped category. It exists in 18 colours and appears in 196 sets of our database, from 1995 to 2012, for a total of 786 listed pieces. Its most common colour is Black.

Number 3684 identifies the shape and is moulded under the part. Each colour also has its own element ID, the one Pick a Brick uses: in black, it is 4286874.

Part 3684 through the years

The oldest set in our database that contains part 3684 is 8460 Pneumatic Crane Truck / Mobile Crane, released in 1995 in the Technic theme. No set in our database uses it after 2012, the year of 4625 Pink Brick Box. To get it today, look for older sets or buy it second-hand.

Its peak year is 2005, with 21 sets containing it. The set with the most copies is 10212 Imperial Shuttle: 27 copies, against an average of 4 per set.

It is spread across several themes, led by Castle (15%), Star Wars (11%) and Creator (7%). With 196 sets, it ranks no. 736 of 2,731 parts in our database and no. 40 of 105 in the Bricks Sloped category.

Sets containing part 3684, by period

PeriodSets
1995-199931
2000-2009132
2010-201233

Colours of part 3684

Even its least common colour, dark turquoise, can be found in 2 sets.

Colour (element ID)SetsPiecesExample sets
Black4286874 · 42480654112410123419510190
Dark Bluish Gray4286876 · 4210696311291023172376209
White4248055 · 41439762810810212774410123
Light Gray4248057 · 414397825791012367694483
Light Bluish Gray4271332 · 42116842270803848427961
Yellow4248062 · 41893481542803776324483
Dark Gray4248066 · 414292712435988100274512
Green4248067 · 42200271026714446256167
Tan4542410 · 4248058814598847297298
Blue4248061 · 4219959718718659387795
Dark Brown451855962585229348657199
Dark Tan4613790 · 4530677526732776277326
Red4588467 · 4561792514794683758160
Brown4248064 · 414398458609847276091
Reddish Brown4561790 · 42632213141014472518876
Lime453792337870989618707
Dark Red4623695 · 425143822687598802
Dark Turquoise4142928 · 412170721349904950

Where to buy part 3684

Setopedia shows no prices: they vary by colour, condition and seller. Amazon links are affiliate links.

Search part 3684 on AmazonPick a Brick (lego.com)BrickLink entryRebrickable entry

Sets that include part 3684

Sets ranked by popularity that include at least one part 3684, in any colour.

Related parts

Often found with part 3684

Parts that share the most sets with part 3684, based on set inventories.

More parts in the Bricks Sloped category

All parts in the Bricks Sloped category

Frequently asked questions

How many LEGO sets include part 3684?

Part 3684 (Brick Sloped 75° 2 x 2 x 3 [Hollow Studs]) appears in 196 sets listed on Setopedia, from 1995 to 2012, in any colour.

Which LEGO set contains the most copies of part 3684?

Set 10212 Imperial Shuttle, released in 2010, contains 27 copies, the highest count in our database. On average, a set containing part 3684 has 4.

Which colours does LEGO part 3684 come in?

18 colours are listed for part 3684. The most common is Black, found in 41 sets.

What is the rarest colour of part 3684?

According to our inventories, it is dark turquoise, found in only 2 sets (4990 Rock Raiders HQ, 4950 Loader - Dozer).

What is the element ID of part 3684 in black?

In black, part 3684 has element ID 4286874 or 4248065. Number 3684 is the mould number, the same for every colour.

Is LEGO part 3684 still used in recent sets?

Not in our database: its last set dates from 2012 (4625 Pink Brick Box). Look for it in second-hand sets or on BrickLink.

Where can I buy LEGO part 3684 individually?

Single parts 3684 can be ordered on Pick a Brick (lego.com) in colours currently produced, or on BrickLink for older colours. The part is also included in the sets listed on this page.