
Block Shape Generator
Block Shape Generator is a free web tool made for builders who want to create block-based shapes.
What Block Shape Generator is
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. Users choose a radius or diameter, set a height, and select a color; a hollow-shape control makes a shell instead of a solid form. A 3D preview has zoom controls and an option to show or hide grid lines. The interface displays the number of blocks required and lets users inspect the current layer or view the top layer in 2D. Users select a form and use Generate Shape to create it. The maker recommends Google Chrome or Opera and says Edge is not compatible. The page also shows controls labelled Unlock features and Enable Model Movement, marked with a test-tube symbol, but does not explain their terms. The maker invites ideas through its official Discord server and links to a donation page to support development. No numeric limits are stated for the listed free plan.
Good
- Generates spheres, cones, domes, and cylinders.
- Supports radius or diameter and height controls.
- Can create hollow shells.
- Shows block counts and a 2D top-layer view.
- Free web access is listed.
Watch out
- Edge is reported as incompatible.
- Unlock features and Enable Model Movement terms are unexplained.
- No security, privacy, or compliance practices are stated.
Who it suits
This tool suits builders who want a browser-based way to shape block forms and inspect their layers. It is a fit for people using Google Chrome or Opera rather than Edge.
Verdict
Block Shape Generator offers basic shape controls, a 3D preview, and layer inspection in a free web tool. Check the browser requirement first, and note that some labelled controls have no explained terms.
Plans and prices
From Block Shape Generator's own pricing page, checked 2 Oct 2026.
| Plan | Price | What it gives you |
|---|---|---|
| Free | Free | The generator’s listed controls include sphere, cone, dome and cylinder shapes; the page states no numeric limits. |
The facts
Each one read from Block Shape Generator's own pages, with the date it was checked.
What it does
- Block count
- The interface displays the number of blocks required.checked 30 Sep 2026
- Color
- Users can set the shape color.checked 30 Sep 2026
- Community support
- The maker asks users to suggest ideas in the official Discord server.checked 30 Sep 2026
- Dimensions
- Shape dimensions can be entered as radius or diameter, with a separate height control.checked 2 Oct 2026
- Feature controls
- The page exposes controls labelled Unlock features and Enable Model Movement, both marked with a test-tube symbol; it does not explain their terms.checked 2 Oct 2026
- Funding
- The maker asks users who found the tool useful to consider making a donation.checked 2 Oct 2026
- Generation
- The page has a Generate Shape control and displays a blocks-required count.checked 2 Oct 2026
- Hollow mode
- A Hollow Shape toggle creates a hollow shell.checked 30 Sep 2026
- Layer inspection
- Users can inspect the current layer and view the top layer in 2D.checked 30 Sep 2026
- Layer view
- The interface shows a current-layer control and offers a top-layer 2D view.checked 2 Oct 2026
- Preview controls
- Users can adjust zoom and toggle grid lines.checked 2 Oct 2026
- Privacy and security
- The tool page does not state security, privacy, or compliance practices.checked 2 Oct 2026
- Purpose
- The maker describes the tool as specially made for builders.checked 2 Oct 2026
- Related resources
- The page links to pixelart, render, and animation examples.checked 30 Sep 2026
- Security
- The product page does not state any security or compliance features.checked 30 Sep 2026
- Shape options
- The interface offers shape color and a hollow-shape toggle for creating a shell.checked 2 Oct 2026
- Shapes
- Users can select sphere, cone, dome or cylinder.checked 2 Oct 2026
- Support and suggestions
- The maker invites users to suggest ideas through its official Discord server.checked 2 Oct 2026
- Support funding
- The site links to a donation page for supporting development work.checked 30 Sep 2026
Where it runs
- Browser compatibility
- The maker recommends Google Chrome or Opera and reports that Edge is not compatible.checked 2 Oct 2026
- Browser support
- The site recommends Google Chrome or Opera and reports that Edge is not compatible.checked 30 Sep 2026
The full review of Block Shape Generator
Block Shape Generator is a browser-based tool for builders who want to turn a few dimensions into a block shape. It suits people planning a sphere, cone, dome, or cylinder and checking its layers; those who need broader shape choices or clearly explained experimental controls should look elsewhere.
Overview
The generator keeps its focus on basic forms: choose a sphere, cone, dome, or cylinder, set dimensions, then generate the model. A block count gives builders a useful indication of scale, while the 3D preview and layer views help them inspect how a design takes shape. This is a narrow, practical tool rather than a general-purpose modeling suite.
Related pixel-art, rendering, and animation examples offer nearby inspiration. The maker also invites suggestions through its official Discord server and asks users who find the tool useful to consider donating toward development.
Key features
Shape controls
Radius or diameter input plus a height control gives users a straightforward way to define the four supported forms. Color selection and a hollow-shape toggle allow a choice between a solid form and a shell. The Generate Shape control turns those choices into a model, and the displayed block count can help builders judge the scale of the result. The limited shape set is enough for common geometric builds, but not for users looking for a wider catalog.
Preview and layers
The 3D preview includes zoom controls and a grid-lines toggle. A current-layer control and a top-layer 2D view make it possible to examine the form beyond its overall silhouette, which is useful when planning a build one layer at a time. The page does not describe export options, so this is best treated as a planning and inspection tool rather than a documented handoff workflow.
Unexplained controls
“Unlock features” and “Enable Model Movement” appear with test-tube symbols, but their terms are not explained. That ambiguity makes them difficult to assess before use; builders who want every control’s purpose to be clear may prefer a more transparent interface.
Pricing
Block Shape Generator is free: its Free plan costs nothing. The plan includes the listed shape controls, 3D preview, and layer-by-layer view, and the page states no numeric limits. That makes it a sensible starting point for occasional shape planning without a paid commitment. There are no paid tiers to weigh against it; the maker instead invites optional donations to support development.
Platforms
The tool runs on the web. The maker recommends Google Chrome or Opera and reports that Edge is not compatible, so browser choice is a practical prerequisite. No security, privacy, or compliance practices are stated on the product page.
Who it's for
This is a good fit for builders who need a small set of familiar geometric forms, a block count, and a way to inspect the result in 3D and by layer. It is less suitable for users who need more shape variety, a clearly documented export workflow, or browser flexibility—particularly those who rely on Edge.
Pros and cons
- Pros: Four common shapes, adjustable dimensions, color, and a hollow-shell option cover basic planning needs.
- Pros: A block count, zoomable 3D preview, and 2D layer inspection help users assess scale and form.
- Pros: The free plan has no stated numeric limits.
- Cons: The shape selection is limited to sphere, cone, dome, and cylinder.
- Cons: Edge is reported as incompatible, narrowing browser choice.
- Cons: The purpose and terms of two labelled controls are unexplained.
Alternatives
For a broader shape set and documented exports, CartoVoxel Minecraft Shape Maker offers 11 shapes, live 3D and layer views, and JSON, layer-guide, and Java mcfunction exports. If daily build limits are acceptable in exchange for a private history, SchemForge Sphere Generator provides one free build every day and an interactive 3D voxel preview. Builders who want unrestricted palette access and WorldEdit export can consider BlockBlend, which offers unlimited palettes, all blocks, WorldEdit export, and community sharing.
Mcgic Circle Generator is a free browser-based option for circles up to 512 × 512 blocks, using full blocks only. For circles from 3–128 blocks with Java and Bedrock support and no signup, MC Circle is another focused choice. Minecraft Shape Generator is free and offers all shapes and blueprints for browser, desktop, or mobile use.
Minecraft Plot has a free tier with basic tools and standard support, without exclusive member tools or priority feature requests; its premium membership starts at $4.99 a month. SeedLander is a freemium web option with a Premium World plan at £1.99 a month per world, including a 14-day free period, unlimited markers, and unlimited portal pairs. For a wider list of options, browse Minecraft Shape Generators.
Verdict
Choose Block Shape Generator if you want a free web tool for planning one of four basic forms and inspecting it layer by layer. Its block count and paired 3D and 2D views make that focused job useful; look elsewhere if you need more shape choices, documented exports, or reliable Edge support.
Getting started
- Open https://alonsoaliaga.github.io/block-shapes/ in Google Chrome or Opera.
- Choose Sphere, Cone, Dome, or Cylinder.
- Set radius or diameter, height, and color.
- Turn on Hollow Shape if you want a shell.
- Select Generate Shape and inspect the preview, block count, or layer views.
Questions
How much does Block Shape Generator cost?
The listed Free plan is free.
Which platforms does it support?
It is a web tool. The page recommends Google Chrome or Opera and reports that Edge is not compatible.
What shapes can I create?
The available shapes are Sphere, Cone, Dome, and Cylinder.
Can I make a hollow shape?
Yes. The Hollow Shape toggle creates a hollow shell.
Can I inspect layers?
Yes. The interface provides a current-layer control and a 2D view of the top layer.
How can I contact the maker or support development?
The maker invites suggestions through its official Discord server and links to a donation page.
Alternatives to Block Shape Generator
- 1

SeedLander
Free planWeb7.5From £1.99 a month - 2

Minecraft Plot
Free planAndroidiOSWeb7.3$4.99 one-time - 3

BlockBlend
Free planWeb6.7Free plan - 4

Mcgic Circle Generator
Free planAndroidiOSWeb6.7Free plan - 5

SchemForge Sphere Generator
Free planWeb6.5From $3.99 a month - 6

MineSchematic
Free planWeb6.3Free plan
