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Drop a file or URL here.

STL · OBJ · 3MF · STEP · IGES · VSB · VSJ

Local files stay on your device.

Opening your model…

Drop it here.STL · OBJ · 3MF · STEP · IGES · VSB · VSJ

Drag to move selected model · Done to return to viewingDrag to rotate · Scroll to zoom · Double-click a model to editDrag to rotate · Pinch to zoom

View

Viewing mode

SolidThe original surface Solid + edgesHighlight sharp corners WireframeTriangle lines only X-raySee through surfaces

More views

Mesh overlayTriangles on the surface StudioSoft reflective lighting Face orientationBlue front · red back

Smooth shading

Shading changes the appearance, not the geometry.

Camera & saved views

Camera view

Z is up. Presets fit the scene without moving models.

View name Saved views

Up to 32 named views, included in VSB/VSJ scenes.

Section

Enable cutAxis

Position 50%

Move the cut through your model. Cut surfaces are open.

Model details

Triangles: —
Dimensions (X × Y × Z): —
Surface area: —
Enclosed volume: Not checked
File size: —

Check for 3D printing

Check Depth I confirm the current scale is in millimetres

STL/OBJ have no physical units. Confirm dimensions before using printing estimates. Section cuts and viewing effects do not change the checked mesh.

Printer settings (optional)

Enable FDM estimates Minimum wall / feature (mm) Overhang threshold (° from vertical)

+Z is up. Bed contact is estimated after virtually lowering each model onto an XY bed. Models are not moved. Thin-wall sampling requires Detailed check and can miss small features.

Bed X (mm)Bed Y (mm)Height (mm)

Runs on your device when requested. No files are uploaded.

Animation is paused for this check. Resume when you are ready; the results will need a new check.

Checks describe the loaded triangle mesh. They do not guarantee a successful print. Review the final result in your slicer. Models are checked separately; assembly overlaps are not evaluated.

Models

Size & units

Selected model size Display units

Dimensions in mm

XYZ

Lock proportions Original size %

File units

Move & rotate selected model

XYZ

Enter a number between −1 trillion and 1 trillion.

X°Y°Z°

Rotate around the model’s own center.

Enter an angle between −360,000° and 360,000°.

Move this model toward you or deeper into the scene.

While a drag tool is active, scroll to move this model nearer or farther. Done returns to camera controls.

Animation

Axis Seconds per turn Direction

Ready. Spin the selected model around its center.

Scene placement

Original arrangement restores file positions and rotations.

Colors

Model

Custom color #64A5B2

Face orientation uses its own blue and red colors.

Background

Custom color Default

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Save a model or scene

File options

Format Include colors

Exports triangle surfaces, not editable CAD solids or original curves and design history. Colors are not included.

File name

The file extension is added automatically.

Saved on your device. Includes current positions and rotations; section cuts and viewing effects are not applied. Output uses millimetres, including any file-unit correction and resizing.

Saves all models with their positions, rotations, colors, viewing modes and section settings, plus the camera, background and grid. VSB/VSJ also preserve animation and its playback position, size, file and display units, and named camera views. Saving stays on your device. Open or drop VSB to restore it. For VSJ, choose the scene and its referenced model files together.

A little help

Drop files or a direct download URL onto the viewer, or choose Open files. New models join your scene. Local files stay on your device; URLs use our streaming service.

Rotate: Drag with your mouse or one finger.
Zoom: Scroll, or pinch with two fingers.
Pan: Shift-drag, right-drag, or use two fingers.
Select: Double-click a model, or choose it in Models.
Fit: Use Fit to bring your model back into view.
Keyboard: Focus the canvas. Arrow keys rotate; + and − zoom; F fits. Escape leaves a model tool.

Models has size, units, duplication and animation. View has colors, camera views, saved views and the grid. Info has measurements and print checks. Save downloads one model or a complete VSB/VSJ scene.

More help & FAQ (opens in a new tab)↗

Files and privacy.

Local geometry files and VSB archives you choose or drop are read and rendered on your device. Their names and contents are not uploaded. VSJ documents also stay on your device; if a VSJ references public URLs, those URLs are retrieved through the streaming service below. Choose its model files together with the VSJ to resolve them locally.

When you open a URL, our server retrieves that link and streams the file to your browser. We do not save the file, cache its contents, or log the source URL. The source website receives a request from our server. Parsing and rendering happen on your device. Use direct download links; login-protected pages are not supported.

Google AdSense helps fund the main viewer. Google and its partners may use cookies or device identifiers for advertising, fraud prevention and measurement, subject to your privacy choices. Where available, use “Privacy & cookie settings” below the advertisement to change those choices. We do not pass your model files or their names to the advertising code. Google Analytics measures visits to the main viewer, subject to your privacy choices. Model contents, filenames, form inputs and imported URLs are not included in our Analytics events. You can disable usage statistics below. The separate Loony Cubes game saves its settings and personal best in your browser. Ordinary page and asset requests may appear in server access logs. Closing the page clears the model from the viewer.

The sample downloads only when you choose it. External links open a separate website with its own privacy practices.

Disable usage statistics on this browser

Full privacy information ↗

Open a file URL

Direct download link File format

The file passes through our server without being saved. It is processed on your device. Public direct links only; up to 512 MiB, subject to your device’s limits.

ViewSTL

View your 3D file instantly.

No installation, no account—just open a file.
Local files stay on your device.

v2.00 by Omri Rips · 2026

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