Build Perfect Curves & Shapes - Brick Sculptor
Generate structurally sound spheres, domes, and cylinders for free, using exact physical brick dimensions.
The Physics of Digital Masonry
The Cross-Bond Rule
Never stack seams. Our engine automatically alternates its mathematical sweep direction on every horizontal layer—weaving the X and Z axes back and forth. This forces overlapping cross-bonds that tie the structure together. Without this automated interlocking, curved walls would lack sheer resistance and instantly crumble into weak vertical columns under real-world gravity.
Hollow Shell Optimization
Solid 3D shapes consume an astronomical amount of plastic, driving up both weight and real-world cost. To solve this, the generator targets a strict, optimized 2-stud thickness wall profile. This provides maximum structural stability while leaving a clean internal void—perfect for inserting custom Technic support frames, structural filler, or LED lighting kits.
Planning & Sourcing FAQs
What specific brick sizes does the sculptor planner generate?
To keep sourcing incredibly simple, the algorithm prioritizes highly standard, easy-to-find 1x1, 1x2, 1x3, and 1x4 bricks. By consolidating smaller adjacent segments into larger cohesive blocks, we minimize your total package count and overall picking time.
How do I handle gravity and sag on larger builds?
When scaling spheres beyond 32 studs in diameter, the overhang on the lower hemisphere is subject to natural sag during assembly. We highly recommend running a vertical Technic support column or horizontal cross-beams through the hollow interior to anchor and lock the upper dome loads securely.
Are there more shapes coming to the builder?
Absolutely. While we launched with spheres and vertical cylinders, we are currently adapting the math to handle half-domes, cones, and complex ellipsoids. The core rendering engine is built to support any mathematical 3D shape array we throw at it, so stay tuned.
Never buy your interior filler pieces in premium color palettes. Since the internal core blocks aren't visible once your cylinder or sphere is complete, utilize Lego's official Pick a Brick (PAB) service to hunt for cheap bulk lots of unloved colors (like bright pink, lime green, or classic yellow). Using mismatched filler parts internally can slash your real-world bill-of-materials costs by up to 40%.
Changelog
Brick Sculptor Engine Updates & Release Notes
Brick Sculptor Engine Updates & Release Notes
- Added Torus math engine for generating ring structures and curved arches.
- Added Octahedron generator for dual-pyramid 8-sided polyhedra modeling.
- Restructured sidebar controls into expandable category accordions to improve UI focus.
- Added parametric 2D polygon extrusion support: Pentagon, Hexagon, Heptagon, Octagon, and Decagon.
- Optimized 1x1 to 1x4 brick aggregation math for angled polygon perimeter boundaries.
- Improved canvas orbital control responsiveness during high stud-count rendering.
- Added core shape algorithms: Cylinder, Oval, Half Circle, Cube, and Pyramid.
- Implemented cross-bond layer weaving logic on alternating X/Z axis sweeps.
- Added dynamic parts inventory tracker (BOM) for 1x1 through 1x4 standard brick sizes.
- Initial deployment with real-time WebGL rendering, 3D sphere generator, and dynamic stud top surfaces.
- Added height slider slicing and interactive orbit controls.