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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
26191
30
3850
28
52
35
1959-2026
68 years
45° 2×2 Slope w/ 2-Studs
3039
36
18456
46
3591
31
54
30
1958-2026
69 years
45° 2×3 Slope w/ 2-Studs
3038
369
1758
379
466
421
19
448
1959-2026
68 years
45° 2×4 Slope w/ 4-Studs
3037
114
6762
119
1312
145
31
162
1958-2026
69 years
45° 2×6 Slope w/ 6-Studs
23949
2006
75
2044
29
2267
7
1702
2017-2026
10 years
45° 2×8 Slope w/ 8-Studs
4445
688
710
651
179
831
14
736
1983-2026
44 years
45° 2×2 Corner Slope w/ 1-Stud
3045
253
2769
269
627
332
27
227
1957-2026
70 years
45° 2×2 Inside Corner Slope w/ 3-Studs
3046
575
1098
509
217
740
14
728
1957-2026
70 years
45° 2×1 w/ Cutout
92946
93
7788
111
1470
127
36
110
2011-2026
16 years
45° 2×2 w/ Cutout, Smooth
28192
150
5704
142
998
200
33
137
2017-2026
10 years
45° 2×4 w/ Cutout, Smooth
5540
1686
147
1491
32
2140
7
1650
2024-2026
3 years
N
45° 1×1×⅔ Pyramid
22388
296
2909
263
508
395
21
377
2016-2026
11 years
45° 1×1 Double Slope
35464
473
1599
413
275
629
16
596
2018-2026
9 years
45° 2×1 Double Slope
3044
586
767
613
274
633
15
662
1959-2026
68 years
45° 2×2 Double Slope
3043
624
605
718
231
708
18
501
1958-2026
69 years
45° 2×3 Double Slope
3042
2411
56
2307
32
2153
3
3365
1959-1994
36 years
R
45° 2×4 Double Slope
3041
749
563
750
145
947
16
611
1958-2026
69 years
45° 1×2 Double Slope, Inverted
3049
550
659
685
264
651
24
303
1957-2026
70 years
45° 2×1 Triple Slope
15571
198
3189
250
948
212
33
140
1957-2026
70 years
45° / 33° 6×4 Train Roof
4365
1498
85
1939
51
1695
14
778
2013-2026
14 years
45° 6×4 Dbl. Slope
32083
1397
186
1339
50
1708
9
1288
1999-2022
24 years
45° 2×4×1⅓ Double Slope
80545
3157
37
2764
10
3764
4
2840
2022-2026
5 years
45° 10×2×2 Double Slope
30180
1457
114
1667
60
1543
10
1171
1998-2022
25 years