Setobrick

LEGO part 3685: Brick Sloped 75° 2 x 2 x 3 Double Convex

Bricks Sloped18 colours112 sets

LEGO part LEGO part 3685: Brick Sloped 75° 2 x 2 x 3 Double Convex

Specifications

Reference3685
CategoryBricks Sloped
MaterialABS plastic
Colours18
Sets112
Listed pieces585
First appearance1995
Latest appearance2026
Element (Dark Bluish Gray)6035351 · 4541268
Most common colourDark Bluish Gray
SetopediaData: Rebrickable
Spec sheet updated on 2026-09-29

LEGO part 3685, Brick Sloped 75° 2 x 2 x 3 Double Convex, belongs to the Bricks Sloped category. It exists in 18 colours and appears in 112 sets of our database, from 1995 to 2026, for a total of 585 listed pieces. Its most common colour is Dark Bluish Gray.

Number 3685 identifies the shape and is moulded under the part. Each colour also has its own element ID, the one Pick a Brick uses: in dark bluish gray, it is 6035351.

Part 3685 through the years

The oldest set in our database that contains part 3685 is 1793 Space Station Zenon, released in 1995 in the Space theme. It is still in use: the most recent set featuring it, 43302 Main Street, U.S.A., dates from 2026.

Its peak year is 2025, with 16 sets containing it. The set with the most copies is 71040 Disney Castle: 26 copies, against an average of 5.2 per set.

It is spread across several themes, led by Star Wars (18%), Disney (9%) and Harry Potter (6%). With 112 sets, it ranks no. 1,049 of 2,731 parts in our database and no. 58 of 105 in the Bricks Sloped category.

Sets containing part 3685, by period

PeriodSets
1995-19992
2000-200911
2010-201950
2020-202649

Colours of part 3685

5 colours appear in only one set: sand blue (43302 Main Street, U.S.A.), dark gray (7184 Trade Federation MTT), bright light orange (71486 Castle Nocturnia), orange (75416 Chopper (C1-10P) Astromech Droid) and brown (5923 Western Picture Frame).

Colour (element ID)SetsPiecesExample sets
Dark Bluish Gray6035351 · 45412682887102677533976252
Black6312358 · 461480419107713741027310228
White6333256 · 61085961238753027537921058
Light Bluish Gray6392265 · 4541262115575329803875200
Dark Blue6561143 · 6144750951710401025531105
Blue6417950 · 61844808714322260987186
Dark Red6546176 · 6210808540759541027075930
Medium Nougat6252190431713747104477906
Reddish Brown6555204 · 60796884247662750584756
Dark Purple610997248411014115241124
Sand Green6417961 · 61608713251031621067910039
Red4588468 · 42801403181022379464403
Dark Tan643636121291003921060
Sand Blue66086431543302
Dark Gray4240158 · 4141609147184
Bright Light Orange65024421471486
Orange65363331475416
Brown4188155 · 368525115923

Where to buy part 3685

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

Search part 3685 on AmazonPick a Brick (lego.com)BrickLink entryRebrickable entry

Sets that include part 3685

Sets ranked by popularity that include at least one part 3685, in any colour.

Often found with part 3685

Parts that share the most sets with part 3685, 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 3685?

Part 3685 (Brick Sloped 75° 2 x 2 x 3 Double Convex) appears in 112 sets listed on Setopedia, from 1995 to 2026, in any colour.

Which LEGO set contains the most copies of part 3685?

Set 71040 Disney Castle, released in 2016, contains 26 copies, the highest count in our database. On average, a set containing part 3685 has 5.2.

Which colours does LEGO part 3685 come in?

18 colours are listed for part 3685. The most common is Dark Bluish Gray, found in 28 sets.

What is the rarest colour of part 3685?

According to our inventories, it is brown, found in only 1 set (5923 Western Picture Frame).

What is the element ID of part 3685 in dark bluish gray?

In dark bluish gray, part 3685 has element ID 6035351 or 4541268. Number 3685 is the mould number, the same for every colour.

Is LEGO part 3685 still used in recent sets?

Yes: it appears in sets released in 2026, such as 43302 Main Street, U.S.A..

Where can I buy LEGO part 3685 individually?

Single parts 3685 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.