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CADFaber vs TinkerCAD — An Honest Comparison

Both CADFaber and TinkerCAD are browser-based 3D design tools aimed at beginners and makers. But they take fundamentally different approaches to privacy, capability, and workflow. This is an honest, fair comparison of both tools — including areas where TinkerCAD is genuinely better.

The Quick Overview

TinkerCAD, by Autodesk, has been the go-to free 3D design tool since 2011. It's polished, well-documented, and has a massive community. CADFaber is a newer tool that prioritizes privacy and power, running entirely in your browser without sending any data to servers.

Privacy: The Elephant in the Room

This is the biggest difference between the two tools, and it's worth understanding why it matters.

TinkerCAD's Approach

TinkerCAD requires an Autodesk account to use. Your designs are stored on Autodesk's servers, and you need an internet connection to work. This means:

  • Autodesk has access to all your designs
  • Your work is subject to Autodesk's Terms of Service
  • If Autodesk shuts down TinkerCAD (or changes pricing), you could lose access
  • Schools and organizations may have compliance concerns with cloud-stored student data

To be fair, Autodesk has maintained TinkerCAD for over a decade and hasn't shown signs of shutting it down. The cloud storage also means you can access your designs from any device.

CADFaber's Approach

CADFaber runs 100% client-side. No account is needed, no data is uploaded, and your designs are stored in your browser's IndexedDB. This means:

  • We literally cannot see your designs — they never leave your device
  • Works offline after the first load
  • No terms of service govern your designs
  • GDPR/DSGVO compliant by design — there's no personal data to protect

The tradeoff is that if you clear your browser data, your projects are gone (unless you exported them as .cadfaber.json files). We strongly recommend saving backup files regularly.

Features Compared

Where CADFaber Wins

  • No Login Required: Open the editor and start designing immediately. No email, no account creation, no verification.
  • Works Offline:Once loaded, CADFaber works without internet. Design on planes, trains, and wherever you don't have WiFi.
  • Code Editor: JSCAD-based parametric modeling gives you programmatic control over your designs. TinkerCAD has no code editor.
  • Dark Mode:A proper dark mode that's easy on the eyes during long design sessions. TinkerCAD is light-only.
  • Print Analysis: Built-in checks for manifold errors, thin walls, overhangs, and filament cost estimation.
  • No Geometry Limits:TinkerCAD limits you to a certain number of shapes and complexity. CADFaber is limited only by your browser's memory.

Where TinkerCAD Wins

Being honest, TinkerCAD has significant advantages:

  • Community: TinkerCAD has millions of users, extensive tutorials, and a huge gallery of shared designs. CADFaber is new and building its community.
  • Polish:TinkerCAD has had over a decade of development by Autodesk's team. The drag-and-drop experience is extremely refined with features like alignment tools, grouping, and the Workplane tool.
  • Multi-device Sync: Because TinkerCAD stores designs in the cloud, you can start on your laptop and continue on your tablet. CADFaber designs are local to one browser.
  • Education: TinkerCAD has extensive classroom features, lesson plans, and Codeblocks (a block-based coding environment for 3D design).
  • Shape Generators:TinkerCAD's community has created thousands of custom shape generators that you can use in your designs.

The Code Editor Advantage

This is CADFaber's most unique feature compared to TinkerCAD. The JSCAD code editor lets you:

  • Create designs that are fully parametric — change one number and the whole model updates
  • Use loops and math to create patterns, arrays, and complex geometries
  • Share designs as text that anyone can customize
  • Version-control your designs with Git

For example, a parametric gear in TinkerCAD would require manually placing and aligning dozens of shapes. In CADFaber's code editor, it's a simple loop:

for (let i = 0; i < teeth * 2; i++) {
  const angle = (i * Math.PI) / teeth
  const r = i % 2 === 0 ? outerR : innerR
  points.push([Math.cos(angle) * r, Math.sin(angle) * r])
}

Offline Workflow

CADFaber's offline capability is genuinely useful in several scenarios:

  • Travel: Design during flights, train rides, or in areas with poor connectivity.
  • Workshops: Run workshops without relying on venue WiFi. Just have students open the URL once beforehand.
  • Reliability:Your workflow isn't interrupted by internet outages or server maintenance.
  • Speed:Everything runs locally, so there's no network latency. Boolean operations and rendering are instant.

Migrating from TinkerCAD

If you're currently using TinkerCAD and want to try CADFaber, here's how to transition:

  1. Export from TinkerCAD: In TinkerCAD, click Export and download your design as an STL file.
  2. Import into CADFaber: Open the CADFaber editor, click the Import button (or drag the STL file into the viewport).
  3. Continue editing: The imported mesh becomes an object in your scene. You can position it, combine it with other shapes, and modify it using boolean operations.

Note that imported STL files lose parametric information — you can't change the width of a cube that was imported as a mesh. For parametric editing, recreate the design using CADFaber's shape library or code editor.

When to Use Which Tool

Both tools have their place. Here's a practical guide:

  • Use TinkerCAD if:You're an absolute beginner, need classroom features, want to share designs in Autodesk's gallery, or need to work across multiple devices.
  • Use CADFaber if: You care about privacy, need offline capability, want a code editor for parametric designs, prefer dark mode, or want print analysis built in.
  • Use both if:You're exploring which tool fits your workflow better. They're both free, and you can import/export STL between them.

Conclusion

TinkerCAD is a fantastic tool with a proven track record and massive community. CADFaber offers a privacy-first alternative with a code editor and offline capability that TinkerCAD lacks. Neither tool is objectively "better" — they serve different needs and philosophies.

We built CADFaber because we believe your designs should be yours, and that creating 3D models shouldn't require surrendering your data to a corporation. If that resonates with you, give it a try.

Try CADFaber — Free, no account required, your data stays yours.