Round Corner Brick 10 x 10 with Slope 33 Edge (58846)

The LEGO® Round Corner Brick 10 x 10 with Slope 33° Edge (Design ID 58846) is a large specialised building element designed for constructing smooth circular structures and massive curved surfaces. Featuring an integrated 33-degree sloped edge and central axle hole, this large "macaroni" style brick expands the range of building techniques available. Available in multiple colour variants on this page, the LEGO 58846 part is highly sought after for large architectural models, observation towers, domes, spacecraft, and custom MOCs.

Technical Specifications

• Part Name: Round Corner Brick 10 x 10 with Slope 33 Edge, Axle Hole, Facet Cutout
• Design ID: 58846
• Dimensions: 10 x 10 studs (Quarter Circle)
• Features: 33° sloped edge, central axle hole, and facet cutout
• Common Colors: Black, Light Bluish Gray, Dark Bluish Gray, Red, and Dark Tan.

Building with the LEGO® 58846 Round Corner

The generous 10 x 10 footprint makes this element ideal for creating large circular buildings, domes, observation towers, stadiums, industrial tanks, and curved vehicle bodywork. The integrated slope produces smooth exterior surfaces, while the axle hole offers additional connection possibilities for rotating assemblies and reinforced internal structures.

Builders often combine four of these 58846 elements to form a complete 20x20 circular layout with clean transitions and excellent structural strength in large-scale LEGO® projects.

Explore More LEGO® Round Bricks

Browse our LEGO® Round Bricks collection to discover more circular building elements. The LEGO® Round Corner Brick 6 x 6 (95188) offers a smaller option for compact curved structures, while the LEGO® Round Brick 1 x 1 (3062) is ideal for fine rounded details. For more quarter-circle options, check out our LEGO® Macaroni Bricks, or explore our complete LEGO® Bricks hub for all structural building elements.