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Arch 1 x 4 (3659)

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Arch 1 x 4 (3659)

Arch 1 x 4 (3659)

LEGO® Arch 1 x 4 is a curved structural part with four top studs, rectangular end supports, and an open underside arch, identified by MPN 3659 for accurate part matching.

LEGO® Arch 1 x 4 Shape and Structure

The part combines a straight 1 x 4 top layout with a rounded lower opening, making it useful for doorways, window frames, bridge details, decorative supports, and architectural builds.

Curved LEGO® Arch Part Details

  • Four-stud top surface for layered building
  • Curved underside opening for arch-shaped construction details
  • Block-style end supports for stable visual structure

Browse more curved and architectural building elements in the LEGO® arch piece collection.

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From $0.13
Arch 1 x 4 (3659)—
$0.13

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Description

LEGO® Arch 1 x 4 is a curved structural part with four top studs, rectangular end supports, and an open underside arch, identified by MPN 3659 for accurate part matching.

LEGO® Arch 1 x 4 Shape and Structure

The part combines a straight 1 x 4 top layout with a rounded lower opening, making it useful for doorways, window frames, bridge details, decorative supports, and architectural builds.

Curved LEGO® Arch Part Details

  • Four-stud top surface for layered building
  • Curved underside opening for arch-shaped construction details
  • Block-style end supports for stable visual structure

Browse more curved and architectural building elements in the LEGO® arch piece collection.