← The LEGO Parts Guide › Curve › Curved › 1×1 Curved

4×1×1⅓ Curved w/ 2-Corners (Part 4045)

2023-2025NEW

Custom LEGO part image © 2025 Tom Alphin / Brick Architect.

External Links

LEGO parts are described differently on other websites and may use different part numbers.

LEGO Pick a Brick:
4045 BRICK 1X4X1, OUTSIDE HALF BOW
Bricklink:
4045 Slope, Curved 1 x 4 with Rounded Ends
Rebrickable:
4045 Brick Curved 1 x 4 x 1 Rounded Ends
Brickset:
4045 BRICK 1X4X1, OUTSIDE HALF BOW
LDraw:
4045b Brick 1 x 4 with Curved Top and Corners
 CURRENTALL YEARS
OVERALL RANK
+344
1428
2725
# PIECES
25(RANK: 1543)
28(RANK: 3004)
# SETS
15(RANK: 1468)
18(RANK: 2802)
# COLORS
5(RANK: 1119)
5(RANK: 2356)

Ranking based on buying one copy of every LEGO set, counting the number of sets containing each part, then sorting by part and color.

Overall Rank is a weighted score combining the number of parts, sets, and colors produced.

Current ranking based on sets released between 2021-2025.

Printable LEGO Brick Label

Requires a compatible Brother Label Printer — learn more at brickarchitect.com/labels.

4×1×1⅓ Curved
w/ 2-Corners
4045
.LBX

Included in legacy LEGO Brick Labels collection.

4×1×1⅓ Curved
w/ 2-Corners
4045
.LBX

Small QR codes are hard to scan with some devices.

Date Added: 2024-02-21 12:00:00
Date Modified: 2025-09-03 14:49:42

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