Review the geometry before choosing the file
When processing completes, your Scan Project may contain one or more representations of the reconstructed object. Review them before choosing a download. The aim is not simply to find a file that opens. It is to decide whether the captured and reconstructed geometry is suitable for what you intend to do next.
A browser preview can help you rotate the result, inspect coverage and notice visible artifacts. It remains a review aid—not a certificate of accuracy, completeness or downstream compatibility. The available representations depend on the evidence captured and the processing stages that completed successfully.
Follow the review and download sequence
Understand point clouds and meshes
A preview helps you inspect; it does not certify the model
A 3D preview makes important questions easier to ask. Does the overall shape resemble the object? Are the intended sides present? Can you see holes, floating points, unexpected surfaces or strong distortions? Does a mesh appear excessively smoothed, or does part of the turntable remain in the geometry?
What the preview can prove is more limited. A plausible image on screen does not establish dimensional accuracy, correct units, clean topology, hidden-surface quality or suitability for manufacturing. Viewer lighting and shading can conceal or exaggerate surface problems. A lightweight preview asset may also be prepared differently from the full downloadable result.
Treat the preview as the first inspection layer. For decisions involving dimensions, watertightness, topology, color, texture or application compatibility, examine the downloaded representation with an appropriate downstream tool.
Understand ASCAND capabilities and limitations
Review and download in five steps
1. Open the completed result
Begin with the representations made available by the successfully completed processing path. Confirm that the result loads and that you are reviewing the intended Scan Project, capture and output variant.
Do not infer meaning from a thumbnail or filename alone. Different outputs can preserve different processing states, and a familiar file extension does not tell you whether the geometry is raw, cleaned, fused, smoothed or surface-reconstructed. Use the current platform description and preserve its relationship to the original capture.
2. Inspect coverage and visible artifacts
Rotate the result and examine it from directions that were easy and difficult to observe during capture. Look at the top, sides, lower boundary and regions with concavities or occlusion.
Check for missing areas, unexpected closure, floating outliers, duplicated surfaces, platform remnants and strong shape changes. With a point cloud, consider density and isolated points. With a mesh, inspect holes, bridges, smoothing and surfaces that may have been introduced during reconstruction. A clean silhouette from one viewpoint is not enough; review the model in three dimensions.
3. Judge suitability for the intended use
A result can be useful without being ideal for every task. A visual model for communication has different requirements from a point cloud intended for further analysis, a mesh intended for 3D printing or an asset intended for another application.
Define what matters before choosing the output: coverage, continuity, direct evidence preservation, appearance, topology, scale or editability. Then judge the model against that purpose. Do not treat “processing complete” as “approved for use,” and do not assume that a visually attractive mesh is the most informative representation.
4. Select the representation and format
Choose what the file should represent before choosing how it should be stored. A point cloud preserves sampled geometric evidence. A mesh provides a connected polygonal surface. Cleaned, dense, smoothed, watertight or application-specific variants can apply further transformations and trade-offs.
Only after selecting the appropriate representation should you choose a compatible file format for the destination tool. The current platform determines which variants and formats are available. Not every scan supports every output, and converting between formats cannot create missing capture evidence.
5. Download and validate in the destination application
Download the selected output using the current project controls, then open it in the software where it will actually be used. Confirm that the file imports correctly and that scale, units, orientation, axes, geometry, topology and appearance behave as expected.
Keep the source recording, project context and an unchanged copy of the downloaded file until validation is complete. If the destination application applies unit conversion, axis changes, repair, decimation or smoothing, document those transformations. A successful download confirms delivery; a successful import confirms readability. Neither alone proves fitness for the intended task.
Choose the representation before the format
Point cloud
A point cloud represents geometry as sampled points in three-dimensional space. It is often the clearer choice when you want to inspect coverage, density, outliers or the direct relationship to reconstructed evidence. It can also provide input for alignment, fusion, measurement-oriented inspection or later surface generation.
Mesh
A mesh connects geometry into a polygonal surface. It is appropriate when the downstream workflow requires surfaces, faces or a defined interior and exterior. Meshing interprets point-based input and may smooth, close or repair geometry. Those operations can make a model easier to use while introducing surfaces that were not observed directly.
Processing variants
Terms such as raw, cleaned, even-resolution, dense, combined, smoothed, robust or watertight describe different processing intentions. They are not a universal quality ranking:
- Raw can preserve imperfect evidence.
- Cleaned can remove unreliable points without making the model complete.
- Dense can contain more samples without being more accurate.
- Combined requires compatible contributing reconstructions.
- Watertight means the surface is closed, not that every region was observed.
- Application-specific outputs can deliberately discard information to suit a later task.
File format
The format is the container used to exchange the selected representation. The same kind of geometry can sometimes be stored in more than one compatible format, while one format may support attributes another does not. Choose according to the destination application and the information that must survive the handoff.
Compare point clouds and meshes
What to inspect before downloading
Visible in the preview:
- Does the overall shape and proportion look plausible?
- Are all surfaces required for the intended use represented?
- Are there holes, floating points, spikes or duplicated regions?
- Does the result include unwanted platform or background geometry?
- Has smoothing removed features that matter?
- Has closure bridged openings or concavities unexpectedly?
- Does color or texture appear aligned where supported?
Verify with the destination tool:
- model dimensions and scale;
- units and coordinate orientation;
- point, face and attribute content;
- mesh topology and watertightness where required;
- color, material and texture support;
- compatibility with the next editing, printing or analysis step.
The first group supports visual triage. The second requires tools that inspect the downloaded file.
If the result is not suitable, find the earliest cause
An unsuitable result is not always an export problem. Work backward and identify the earliest stage where the evidence or interpretation became unreliable.
- Missing or blurred geometry often begins with framing, focus, motion or occlusion.
- Systematic laser deviation can indicate alignment or calibration problems.
- Incomplete coverage may require another orientation or a documented complementary workflow.
- Floating points or noise can arise in reconstruction and refinement.
- Unexpected bridges, closure or smoothing can be introduced during meshing.
- Wrong scale, axes or appearance after import may result from export settings or destination-software conventions.
Downloading the same representation in another container format usually does not repair unsupported geometry. When the object needs more complete external coverage, a complementary capture and Multi-Scan workflow may be appropriate. When the evidence is adequate but the surface interpretation is not, another supported representation may be enough.
Validate the downloaded model in its real workflow
Before treating the scan as finished:
- retain the original recording and project context;
- preserve an unchanged copy of the downloaded result;
- open the file in the intended destination application;
- verify units, scale, axes and orientation;
- inspect the required point attributes or mesh topology;
- confirm that color, materials or textures survived where applicable;
- record repair, conversion, smoothing, decimation or reorientation;
- keep the variant name and format with the project documentation.
This separates delivery from suitability. A model can download correctly and still be the wrong representation. It can also look different after import because the destination software interprets units, axes, normals, materials or textures differently.
Learn about output formats and post-processing
A usable result completes the scan workflow
The ASCAND workflow is complete when the chosen result has been inspected and validated for its intended downstream use—not merely when processing changes status. If the result is suitable, preserve its context and continue with your application. If it is not, return to the earliest stage that can correct the limitation.