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Block Round

Free#11 of 38 in Minecraft Shape Generators

Block Round: A free web tool for creating rounded Minecraft shapes and exporting compatible files. Ranked #11 of 38 in Minecraft Shape Generators by our editors (6.9/10); pricing: Free plan; best for algorithmic shapes with schematic compatibility.

6.9/10Editor score

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At a glance

Editor score
6.9 / 10
Pricing
Free plan
Best for
Algorithmic shapes with schematic compatibility
Free plan
Yes
Paid from
Free
3D preview
Yes
Facts checked
20 Sep 2026

Where it wins
- Generates circles, ellipses, spheres, and ellipsoids
- Supports multiple algorithms, textures, cuts, and rendering modes
- Exports PNG and .schem files for WorldEdit, Litematica, and MCEdit
Where it doesn't
- Shape generation focuses on circles, ellipses, spheres, and ellipsoids
- The product is delivered through the web
- PNG export is available for 2D figures

Our verdict on Block Round

Block Round is a free, browser-based generator for Minecraft circles, ellipses, spheres, and ellipsoids. It suits builders who want algorithmic control over rounded forms without installing software or creating an account. The interface supports 2D canvas and 3D voxel visualization, with filled, thin, and thick rendering modes for different construction needs.

Its strongest feature is the control over how shapes are rasterized and displayed. For 2D figures, users can choose Euclidean, Bresenham, or Threshold algorithms, then apply selectable Minecraft block textures. Three-dimensional figures support proportional X, Y, and diagonal cuts, giving users more control over how spheres and ellipsoids are viewed or shaped. Undo and redo controls are included, and the application is designed to work offline as a progressive web application.

Block Round also fits Minecraft editing workflows through its exports. Two-dimensional figures can be exported as PNG files, while Minecraft Sponge schematic v2 files use the .schem extension. The published compatibility includes WorldEdit, Litematica, and MCEdit. Its scope is intentionally focused on rounded geometry rather than a broad library of Minecraft structures, so builders seeking circles, ellipses, spheres, or ellipsoids should find the feature set well aligned. Users needing other shape families or a non-web platform should choose a different tool. For Minecraft builders who want a free, focused generator with schematic compatibility, Block Round is the suitable choice.

Your product? Our editors can test Block Round in depth and publish a review, labelled as paid · from $149/mo →

Block Round pricing

Plans Free planFree Free to use — no paid tier required for the core job.

See plans on vinisouza128.github.io

Block Round fact sheet

Free plan	Yes
Paid from	Free
Supported shapes	circle, ellipse, sphere, ellipsoid
Coordinate output	Not verified
Layer-by-layer view	Not verified
3D preview	Yes
Export formats	PNG, .schem
Platform	Web
Maximum dimension	Not verified
Deployment	Cloud
Platforms	Web
Built for	Solo, Small business (editorial estimate)
Integrations	3 integrations: WorldEdit, Litematica, MCEdit
Pricing	Free plan
Website	vinisouza128.github.io
Facts checked	20 Sep 2026

Block Round integrations

Block Round lists 3 integrations on its own site.

WorldEdit
Litematica
MCEdit

Alternatives to Block Round

See all Block Round alternatives →

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Featured on iTechGuides

Block Round is listed in our Minecraft Shape Generators directory. Add the badge to your site — it links back to this page.

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

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Last updated 7 Oct 2026 · How we research and update