Tinkercad Alternatives in 2026: Free 3D Design Tools Compared

The best Tinkercad alternatives for 3D printing: Depthue Studio, Fusion, Onshape, Blender, SelfCAD and Womp, compared on price, STL editing and checks.

Updated November 2, 2026

The short answer

Tinkercad is still the easiest free way to learn 3D design by stacking shapes, and it stays the right choice for classrooms. Move on when you hit its limits: imports capped at 25 MB that cannot be cut, hollowed or repaired, no printability checks and no photo reliefs. Depthue Studio covers those in the browser for free. For parametric CAD, step up to Fusion or Onshape; for sculpting, Blender.

Disclosure: Depthue makes the options marked “By Depthue”. Each option is described from its own public documentation, including where it beats ours. Prices change; check each site before buying.

1.Depthue Studio
By Depthue
Price
Free; plans from $5 a month for cloud AI
Best for
Editing STL files and making printable parts in a browser
Browser 3D workspace in millimetres. Opens STL, OBJ, 3MF, GLB and PLY up to 120 MB, then cuts, hollows, combines, repairs, simplifies and embosses text with 20 stacked operations. Gears, boxes, signs, keychains, vases and QR plates from settings, photo reliefs, print checks and an estimate, and an AI copilot.
See Depthue Studio
2.Autodesk Fusion
Price
Free for personal use; $85 a month or $680 a year
Best for
Parametric CAD for functional parts
Full parametric CAD on Windows and macOS. Personal use is free for non-commercial projects by people earning under $1,000 a year, with 10 editable documents at a time. Autodesk points Tinkercad users here as the next step.
Official site
3.Onshape
Price
Free for non-commercial use; Standard $1,500 per user a year
Best for
Parametric CAD in the browser
Cloud CAD from PTC that runs in a browser and on iPad and phones. Every document on the free plan is public, and imported STL meshes are listed for reference rather than editing.
Official site
4.Blender
Price
Free, open source
Best for
Sculpting and organic models
A full 3D suite for Windows, macOS and Linux with mesh modelling, sculpting and booleans. The free 3D Print Toolbox extension adds checks, Make Manifold and hollowing. Powerful, and the steepest learning curve here.
Official site
5.SelfCAD
Price
Free; Pro $14.99 a month or $11.99 a month yearly
Best for
Browser modelling with a built-in slicer
Browser and desktop 3D modelling with booleans, plane cuts, repair, simplify and a slicer that makes G-code. Sculpting, Image To 3D and deformations are on Pro.
Official site
6.Womp
Price
Free; Pro $12.99 a month or $9.99 a month yearly
Best for
Soft, clay-like shapes and renders
Browser modelling rendered on Womp's servers, with clay-like blending, AI generation and a resin print service. It has no offline version.
Official site

Side by side

	Depthue Studio	Tinkercad	Fusion (personal)	Onshape (free)	SelfCAD
Price	Free; plans from $5/mo	Free	Free, non-commercial	Free, non-commercial	Free; Pro $14.99/mo
Runs	Browser	Browser, iPad	Windows, macOS	Browser, iPad, phones	Browser, Windows, macOS
STL import limit	120 MB	25 MB	Not listed	Not listed	1 million faces
Edit an imported STL	Cut, hollow, boolean, repair, simplify, emboss	Combine with shapes and holes; cannot be ungrouped	Plane cut, combine, shell, reduce, convert to solid	Listed as view and reference only	Boolean, cut, repair, simplify
Printability checks	Closed solid, plate fit, overhangs, thin walls, print estimate	Not listed (advice page)	Mesh repair, 3D print utility	Not listed	Built-in slicer
Parametric parts	Gear, box, vase, sign, keychain, QR plate; JavaScript scripts	Codeblocks	Full parametric CAD	Full parametric CAD	Shape generators
Photo to relief	Yes, depth on your device	No	Not listed	Not listed	Pro: Image To 3D
Exports	STL, 3MF, OBJ, GLB, PLY, 16-bit PNG, SVG, DXF	STL, OBJ, GLTF, SVG	STL, 3MF and more	STL, 3MF and more	STL, OBJ, PLY, GLB and more; no 3MF

Where Tinkercad stops

Tinkercad is built around one idea: stack solid and hole shapes, then group them. That is why it is so easy to learn, and also where its limits come from when you move from learning to printing:

Imported models are sealed. An STL or OBJ comes in as one shape under 25 MB. You can add to it or subtract from it, but you cannot cut it flat, hollow it, repair it or simplify it.
No print checks. The help center explains good practice, but nothing tells you a wall is too thin or a part hangs over the plate.
No photos. Raster images are not imported as geometry, so no reliefs, coins or lithophanes.
Phones are out. The editors need a screen at least 864 pixels wide.

If none of these get in your way, there is no reason to switch.

Pick by what you are making

You want to	Use
Teach 3D design to beginners	Tinkercad
Fix, cut, hollow or add text to an existing STL	Depthue Studio STL editor
Make a gear, box, sign or keychain to exact sizes	Depthue Studio parametric parts
Design a functional part with sketches and constraints	Fusion or Onshape
Sculpt a character or an organic shape	Blender
Turn a photo into a relief coin or plaque	Depthue Studio bas relief generator

Moving from Tinkercad to Depthue Studio

Export your design from Tinkercad as STL. Tinkercad groups every shape into one part on export, so it lands in Studio as one object. From there you can set its size in millimetres, cut a flat base, hollow it with drain holes, emboss a name, check it against your printer's build plate and read a print estimate, then export STL or 3MF for your slicer. Shapes and text you would have built in Tinkercad are there too, and each change stays in an operation stack you can switch off later.

Studio is not a parametric CAD program: there are no sketches or constraints. For that step, Autodesk's own recommendation is Fusion.

Frequently asked questions

What is the best free alternative to Tinkercad?

For editing STL files and making printable parts in a browser, Depthue Studio is free and adds what Tinkercad lacks: cutting, hollowing and repairing imported meshes, print checks and photo reliefs. For parametric CAD, Fusion's personal licence and Onshape's free plan are free for non-commercial work.

Is there a more advanced version of Tinkercad?

Autodesk points Tinkercad users to Fusion as the next step. It is full parametric CAD, free for personal non-commercial use, and runs on Windows and macOS rather than in a browser.

Can Tinkercad edit STL files?

Only by combining them with other shapes. Tinkercad imports STL or OBJ files under 25 MB as one solid or hole shape that cannot be ungrouped into parts, so you can add to or subtract from a model but not cut, hollow or repair it.

Does Tinkercad have printability checks?

Its help center gives best-practice advice, such as walls of at least 1.5 mm and avoiding overhangs, and it has a measure tool. An automatic check for overhangs, wall thickness, volume or print time is not listed.

Can I open my Tinkercad designs in Depthue Studio?

Yes. Export the design from Tinkercad as STL or OBJ and drop it on the Depthue Studio plate. Tinkercad groups everything into one part on export, so it arrives as one object you can cut, hollow, add text to or check.

Which Tinkercad alternative works in a browser?

Depthue Studio, Onshape, SelfCAD and Womp all run in a browser. Onshape's free plan makes every document public; Womp renders on its own servers and has no offline version; Depthue Studio runs its geometry on your device.

Sources

Try Depthue Studio.

Free in your browser, no card. 50 credits a month for cloud AI, and editing, checks and exports never use credits.

Open Depthue Studio See every feature