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The LEGO Parts Guide
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Angle
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Slope
45° Slope
(23 parts)
The most common angle for sloped LEGO elements, as popularized by 2× slope bricks.
45° Slope
(23 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
26058
30
3825
27
51
36
1959-2026
68 years
45° 2×2 Slope w/ 2-Studs
3039
36
18362
46
3567
31
54
29
1958-2026
69 years
45° 2×3 Slope w/ 2-Studs
3038
362
1758
374
466
417
19
435
1959-2026
68 years
45° 2×4 Slope w/ 4-Studs
3037
112
6760
118
1311
143
31
155
1958-2026
69 years
45° 2×6 Slope w/ 6-Studs
23949
1987
75
2032
29
2245
7
1674
2017-2026
10 years
45° 2×8 Slope w/ 8-Studs
4445
677
710
643
179
826
14
719
1983-2026
44 years
45° 2×2 Corner Slope w/ 1-Stud
3045
251
2753
265
623
326
27
221
1957-2026
70 years
45° 2×2 Inside Corner Slope w/ 3-Studs
3046
567
1096
506
216
738
14
713
1957-2026
70 years
45° 2×1 w/ Cutout
92946
94
7652
108
1441
129
35
114
2011-2026
16 years
45° 2×2 w/ Cutout, Smooth
28192
150
5585
143
973
201
33
134
2017-2026
10 years
45° 2×4 w/ Cutout, Smooth
5540
1690
145
1490
31
2157
7
1625
2024-2026
3 years
N
45° 1×1×⅔ Pyramid
22388
295
2854
261
500
395
21
368
2016-2026
11 years
45° 1×1 Double Slope
35464
488
1554
417
267
638
14
707
2018-2026
9 years
45° 2×1 Double Slope
3044
578
751
617
271
629
15
648
1959-2026
68 years
45° 2×2 Double Slope
3043
617
605
710
231
701
18
488
1958-2026
69 years
45° 2×3 Double Slope
3042
2397
56
2290
32
2133
3
3345
1959-1994
36 years
R
45° 2×4 Double Slope
3041
740
563
746
145
940
16
590
1958-2026
69 years
45° 1×2 Double Slope, Inverted
3049
536
659
680
264
641
24
295
1957-2026
70 years
45° 2×1 Triple Slope
15571
194
3147
248
936
211
33
137
1957-2026
70 years
45° / 33° 6×4 Train Roof
4365
1487
85
1928
51
1680
14
765
2013-2026
14 years
45° 6×4 Dbl. Slope
32083
1376
186
1322
50
1696
9
1268
1999-2022
24 years
45° 2×4×1⅓ Double Slope
80545
3260
33
2913
9
3924
4
2847
2022-2026
5 years
45° 10×2×2 Double Slope
30180
1444
114
1654
60
1534
10
1151
1998-2022
25 years