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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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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
25143
30
3697
27
50
35
1959-2025
67 years
45° 2×2 Slope w/ 2-Studs
3039
33
17876
44
3449
30
54
28
1958-2025
68 years
45° 2×3 Slope w/ 2-Studs
3038
348
1749
356
462
398
19
407
1959-2025
67 years
45° 2×4 Slope w/ 4-Studs
3037
102
6679
112
1281
138
31
132
1958-2025
68 years
45° 2×6 Slope w/ 6-Studs
23949
1989
72
2013
26
2324
7
1615
2017-2025
9 years
45° 2×8 Slope w/ 8-Studs
4445
646
696
617
177
803
14
660
1983-2025
43 years
45° 2×2 Corner Slope w/ 1-Stud
3045
250
2659
260
597
316
26
223
1957-2025
69 years
45° 2×2 Inside Corner Slope w/ 3-Studs
3046
561
1060
489
208
724
13
734
1957-2025
69 years
45° 2×1 w/ Cutout
92946
96
6959
111
1330
134
31
131
2011-2025
15 years
45° 2×2 w/ Cutout, Smooth
28192
162
4759
153
850
218
30
149
2017-2025
9 years
45° 2×4 w/ Cutout, Smooth
5540
2155
82
1909
18
2779
6
1863
2024-2025
2 years
45° 1×1×⅔ Pyramid
22388
294
2678
259
458
402
20
368
2016-2025
10 years
45° 1×1 Double Slope
35464
534
1288
445
222
690
12
809
2018-2025
8 years
45° 2×1 Double Slope
3044
570
708
610
251
637
15
591
1959-2025
67 years
45° 2×2 Double Slope
3043
593
584
697
226
681
18
457
1958-2025
68 years
45° 2×4 Double Slope
3041
709
559
721
144
916
16
545
1958-2025
68 years
45° 1×2 Double Slope, Inverted
3049
536
615
671
249
640
23
288
1957-2025
69 years
45° 2×1 Triple Slope
15571
188
2959
247
895
207
33
118
1957-2025
69 years
45° / 33° 6×4 Train Roof
13269
1518
76
1963
44
1759
14
709
2013-2023
11 years
45° 6×4 Dbl. Slope
32083
1332
186
1286
50
1631
9
1203
1999-2022
24 years
45° 2×4×1⅓ Double Slope
80545
3819
23
3288
6
4559
3
3391
2022-2024
3 years
45° 10×2×2 Double Slope
30180
1386
114
1601
60
1485
10
1082
1998-2022
25 years