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The LEGO Parts Guide
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Angle
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Slope
45° Slope
(22 parts)
The most common angle for sloped LEGO elements, as popularized by 2× slope bricks.
45° Slope
(22 parts)
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Scale
Label
Table
Part Name
(Part Number)
Overall
Rank
# Pieces
(Rank)
# Sets
(Rank)
# Colors
(Rank)
Years
Produced
45° 2×1 Slope w/ 1-Stud
3040
27
25719
30
3768
27
51
35
1959-2026
68 years
45° 2×2 Slope w/ 2-Studs
3039
34
18166
45
3519
31
54
29
1958-2026
69 years
45° 2×3 Slope w/ 2-Studs
3038
358
1752
368
464
409
19
429
1959-2026
68 years
45° 2×4 Slope w/ 4-Studs
3037
107
6735
115
1303
141
31
144
1958-2026
69 years
45° 2×6 Slope w/ 6-Studs
23949
1979
74
2019
28
2264
7
1648
2017-2026
10 years
45° 2×8 Slope w/ 8-Studs
4445
665
701
634
178
819
14
693
1983-2026
44 years
45° 2×2 Corner Slope w/ 1-Stud
3045
249
2706
265
610
322
27
213
1957-2026
70 years
45° 2×2 Inside Corner Slope w/ 3-Studs
3046
569
1084
498
212
729
13
768
1957-2026
70 years
45° 2×1 w/ Cutout
92946
93
7378
110
1398
129
34
110
2011-2026
16 years
45° 2×2 w/ Cutout, Smooth
28192
154
5190
146
919
209
33
126
2017-2026
10 years
45° 2×4 w/ Cutout, Smooth
5540
1856
102
1737
27
2306
7
1621
2024-2026
3 years
N
45° 1×1×⅔ Pyramid
22388
295
2766
260
481
398
21
350
2016-2026
11 years
45° 1×1 Double Slope
35464
500
1447
431
249
658
14
687
2018-2026
9 years
45° 2×1 Double Slope
3044
578
721
621
258
635
15
622
1959-2026
68 years
45° 2×2 Double Slope
3043
604
593
708
230
686
18
475
1958-2026
69 years
45° 2×4 Double Slope
3041
736
559
736
144
932
16
568
1958-2025
68 years
45° 1×2 Double Slope, Inverted
3049
542
631
688
254
646
24
283
1957-2026
70 years
45° 2×1 Triple Slope
15571
193
3023
250
914
211
33
128
1957-2026
70 years
45° / 33° 6×4 Train Roof
4365
1462
85
1901
51
1659
14
739
2013-2026
14 years
45° 6×4 Dbl. Slope
32083
1357
186
1308
50
1674
9
1245
1999-2022
24 years
45° 2×4×1⅓ Double Slope
80545
3483
25
3220
8
4095
4
2857
2022-2026
5 years
45° 10×2×2 Double Slope
30180
1415
114
1628
60
1517
10
1128
1998-2022
25 years