Snap your loose LEGO bricks to generate custom build ideas with interactive 3D step-by-step instructions.
What is Mister Blocks?
Mister Blocks: Snap your loose LEGO bricks to generate custom build ideas with interactive 3D step-by-step instructions. It has a free plan. Zekai's independent review scores it 8.9 out of 10. Best for generating custom LEGO builds and 3D step-by-step instructions from photos of loose bricks.
Zekai Verdict
- What is it?
- Mister Blocks uses AI to scan photos of loose bricks or existing models and identify every available piece.
- Best for
- Graphic designers and creative arts professionals seeking physical block modeling and 3D structural ideas.
- Not ideal for
- Builds in the public gallery, along with photos and chat logs, are open to anyone
- Price
- Free plan
- Zekai Score
- 8.9/10
Top Generative AI for Graphic Designers & Creative Arts picks
See all 123 AI tools for Graphic Designers →Mister Blocks is an AI LEGO builder that scans photos of loose bricks or assembled models to identify every available piece. Powered by Anthropic's Claude, it generates custom builds verified for physical stability and offers interactive 3D step-by-step assembly instructions. Users can also submit text prompts to create original models of vehicles, buildings, and characters.
Your workflow, automated
Before & After
Staring at a pile of loose bricks without instructions or ideas on what to construct.
Obtaining four custom model designs with interactive 3D step-by-step assembly guides.
4 custom buildsPrompts for Graphic Designers
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Is Mister Blocks worth it?
Why Graphic Designers & Creative Arts choose this tool
Key Use Cases
Mister Blocks provides an accessible way to turn unsorted brick piles into structured models with interactive 3D guides. Its automated verification system helps prevent structural design flaws like floating pieces or jammed wheels. However, users should be aware that models saved in the public gallery, along with their photos and chat records, can be viewed by anyone.
Frequently asked questions
Is Mister Blocks free to use?
Is Mister Blocks affiliated with the LEGO Group?
How should I set up the photo for piece scanning?
What happens if a piece in the generated model does not fit?
Who can see the builds created on Mister Blocks?
Last reviewed:
Mister Blocks pricing and plans
Prices and features are updated regularly but can change at any time — always confirm on the official website. Some links on this page are affiliate links.
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About Mister Blocks
Full Description
Mister Blocks uses AI to scan photos of loose bricks or existing models and identify every available piece. It automatically generates four custom build designs made exclusively from your pieces, complete with step-by-step 3D assembly guides. Users can also request custom builds via text prompts or chat to adjust designs when physical pieces do not fit.
Editorial Verdict
Mister Blocks provides an accessible way to turn unsorted brick piles into structured models with interactive 3D guides. Its automated verification system helps prevent structural design flaws like floating pieces or jammed wheels. However, users should be aware that models saved in the public gallery, along with their photos and chat records, can be viewed by anyone.
Figma
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