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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
25786
30
3781
27
51
35
1959-2026
68 years
45° 2×2 Slope w/ 2-Studs
3039
35
18215
45
3532
31
54
29
1958-2026
69 years
45° 2×3 Slope w/ 2-Studs
3038
359
1752
371
464
411
19
432
1959-2026
68 years
45° 2×4 Slope w/ 4-Studs
3037
108
6738
116
1305
142
31
145
1958-2026
69 years
45° 2×6 Slope w/ 6-Studs
23949
1982
74
2023
28
2267
7
1655
2017-2026
10 years
45° 2×8 Slope w/ 8-Studs
4445
668
701
637
178
820
14
695
1983-2026
44 years
45° 2×2 Corner Slope w/ 1-Stud
3045
249
2722
266
614
322
27
217
1957-2026
70 years
45° 2×2 Inside Corner Slope w/ 3-Studs
3046
572
1084
499
212
732
13
775
1957-2026
70 years
45° 2×1 w/ Cutout
92946
92
7416
109
1408
129
35
108
2011-2026
16 years
45° 2×2 w/ Cutout, Smooth
28192
153
5292
146
938
204
33
128
2017-2026
10 years
45° 2×4 w/ Cutout, Smooth
5540
1830
105
1715
28
2262
7
1627
2024-2026
3 years
N
45° 1×1×⅔ Pyramid
22388
295
2772
261
484
399
21
357
2016-2026
11 years
45° 1×1 Double Slope
35464
500
1465
429
254
647
14
689
2018-2026
9 years
45° 2×1 Double Slope
3044
578
725
622
259
639
15
627
1959-2026
68 years
45° 2×2 Double Slope
3043
606
593
709
230
693
18
478
1958-2026
69 years
45° 2×4 Double Slope
3041
737
559
740
144
934
16
575
1958-2025
68 years
45° 1×2 Double Slope, Inverted
3049
542
631
689
254
649
24
287
1957-2026
70 years
45° 2×1 Triple Slope
15571
195
3029
250
917
212
33
130
1957-2026
70 years
45° / 33° 6×4 Train Roof
4365
1467
85
1907
51
1659
14
744
2013-2026
14 years
45° 6×4 Dbl. Slope
32083
1359
186
1309
50
1676
9
1249
1999-2022
24 years
45° 2×4×1⅓ Double Slope
80545
3488
25
3224
8
4100
4
2867
2022-2026
5 years
45° 10×2×2 Double Slope
30180
1420
114
1633
60
1520
10
1131
1998-2022
25 years