Original: $0.07
-71%$0.07
$0.02The Story
Create clean underside angles and smooth transitions with the LEGO® Slope Inverted 45 2 × 1. This compact inverted element is widely used for vehicle bodywork, aircraft, architectural details and advanced SNOT building techniques where conventional slopes cannot achieve the required profile. Part number 3665 identifies this specific element.
Part Details
- Inverted 45-degree slope with a 2 × 1 footprint
- Suitable for vehicles, buildings, aircraft and custom creations
- Ideal for underside shaping, roof details and SNOT building techniques
- LEGO® part number 3665
Expand Your Building Options
Browse additional angled elements in our LEGO® Slope Bricks collection to create smooth transitions, architectural details and streamlined custom models.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
Create clean underside angles and smooth transitions with the LEGO® Slope Inverted 45 2 × 1. This compact inverted element is widely used for vehicle bodywork, aircraft, architectural details and advanced SNOT building techniques where conventional slopes cannot achieve the required profile. Part number 3665 identifies this specific element.
Part Details
- Inverted 45-degree slope with a 2 × 1 footprint
- Suitable for vehicles, buildings, aircraft and custom creations
- Ideal for underside shaping, roof details and SNOT building techniques
- LEGO® part number 3665
Expand Your Building Options
Browse additional angled elements in our LEGO® Slope Bricks collection to create smooth transitions, architectural details and streamlined custom models.























