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Block Shape Generator

Block Shape Generator is a free web tool made for builders who want to create block-based shapes. It can generate spheres, cones, domes, and cylinders, with controls for radius or diameter, height, and color. A hollow-shape option makes a shell instead of a solid form. The tool provides a 3D preview with zoom controls and a switch for grid lines. It also displays the number of blocks required and lets users inspect the current layer or view the top layer in 2D. After choosing a form and its settings, users can generate the shape. The maker recommends Google Chrome or Opera and reports that Edge is not compatible. The page shows controls labelled Unlock features and Enable Model Movement with test-tube symbols, but does not explain their terms. The maker invites suggestions through an official Discord server and links to a donation page for supporting development. The listed free plan states no numeric limits for the tool's controls.

Who it is for

This tool suits builders who want to generate block-based spheres, cones, domes, or cylinders and inspect their layers. It is intended for use in a browser, with Chrome or Opera recommended.

What is good

  • Generates spheres, cones, domes, and cylinders.
  • Supports radius or diameter and height controls.
  • Offers a 3D preview with zoom and grid controls.
  • Shows the required block count.
  • Includes current-layer inspection and a top-layer 2D view.

What to know first

  • Edge is reported as incompatible.
  • Chrome or Opera is recommended.
  • Terms for two test-tube-marked controls are not explained.

Verdict

Block Shape Generator provides shape creation and layer inspection controls in a free web tool. Check browser compatibility first, especially if you use Edge.

Block Shape Generator plans and pricing

All plans
Free Free The generator’s listed controls include sphere, cone, dome and cylinder shapes; the page states no numeric limits. alonsoaliaga.github.io · 2 Oct 2026

Compared on Minecraft shape generators

Free plan
Yes
Supported shapes
Sphere, Cone, Dome, Cylinder
Layer-by-layer view
Yes
3D preview
Yes
Platform
web

Best Block Shape Generator alternatives

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