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The LEGO Parts Guide
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Angle
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Slope
45° Slope
(27 parts)
The most common angle for sloped LEGO elements, as popularized by 2× slope bricks.
45° Slope
(27 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
26419
31
3883
28
52
35
1959-2026
68 years
45° 2×2 Slope w/ 2-Studs
3039
36
18663
48
3616
32
54
30
1958-2026
69 years
45° 2×3 Slope w/ 2-Studs
3038
372
1764
389
469
425
19
453
1959-2026
68 years
45° 2×4 Slope w/ 4-Studs
3037
117
6794
122
1322
145
31
166
1958-2026
69 years
45° 2×6 Slope w/ 6-Studs
23949
2021
75
2057
29
2279
7
1718
2017-2026
10 years
45° 2×8 Slope w/ 8-Studs
4445
694
710
655
179
843
14
739
1983-2026
44 years
45° 2×2 Corner Slope w/ 1-Stud
3045
254
2791
274
634
331
27
232
1957-2026
70 years
45° 2×2 Inside Corner Slope w/ 3-Studs
3046
581
1109
512
220
742
14
732
1957-2026
70 years
45° 2×1 w/ Cutout
92946
91
7971
109
1498
127
36
111
2011-2026
16 years
45° 2×2 w/ Cutout, Smooth
28192
150
5888
143
1026
195
33
138
2017-2026
10 years
45° 2×4 w/ Cutout, Smooth
5540
1676
150
1487
34
2098
7
1663
2024-2026
3 years
N
45° 1×1×⅔ Pyramid
22388
293
2959
264
519
395
21
381
2016-2026
11 years
45° 1×1 Double Slope
35464
460
1722
396
286
614
16
602
2018-2026
9 years
45° 2×1 Double Slope
3044
577
839
591
279
635
15
671
1959-2026
68 years
45° 2×2 Double Slope
3043
616
636
710
233
711
18
505
1958-2026
69 years
45° 2×3 Double Slope
3042
2424
56
2317
32
2171
3
3378
1959-1994
36 years
R
45° 2×4 Double Slope
3041
756
563
756
145
954
16
621
1958-2026
69 years
45° 1×2 Double Slope, Inverted
3049
547
699
664
267
653
24
305
1957-2026
70 years
45° 2×1 Triple Slope
15571
197
3249
251
964
212
33
143
1957-2026
70 years
45° 2×4×1⅓ Double Slope
80545
3170
37
2778
10
3776
4
2854
2022-2026
5 years
45° / 33° 6×4 Train Roof
4365
1505
85
1950
51
1714
14
784
2013-2026
14 years
45° 6×4 Double Slope
32083
1405
186
1352
50
1723
9
1296
1999-2022
24 years
45° 6×8 Double Slope w/ 4×8×⅔ Cutout
5120
4750
7
5287
7
4558
3
3819
2024-2026
3 years
N
45° 10×2×2 Double Slope
30180
1466
114
1680
60
1554
10
1178
1998-2022
25 years
39° 4×6×⅔ Double Slope Roof w/ Studs
32739
1599
100
1799
43
1861
11
1072
2017-2026
10 years
45° 4×2 Wedge Slope, Twist Left
43721
1197
124
1615
93
1248
15
706
2002-2026
25 years
45° 4×2 Wedge Slope, Right
43720
1205
122
1624
92
1258
15
707
2002-2026
25 years