MelmacFrom product photos to a geometry pack.
The agent sees the whole turntable, writes the part in OpenSCAD, solves its own pose, and scores the fit. You get orthographic views, measured extents and a model you can inspect — not a render.
Illustrative.
The drawing is missing or stale.
The sample is the only reference.
Packaging and DFM wait on a model.
See the spin. Name the form. Build the model.
- Sees the whole spin.One montage of every frame, plus three full-resolution key frames.
- Names the form first.Rectangle, circle, stepped, louvred; flat or deep; how many repeated features.
- Writes parametric CAD.OpenSCAD with loops for repeated features. Not a frozen mesh.
- Solves its own pose.Yaw and elevation fitted against the photos, not assumed.
- Scores two ways.Silhouette IoU and interior-edge agreement, so louvres and seams count.
- Abstains when the evidence runs out.A confident wrong mesh is not a valid answer.
Illustrative.
A pack a person can review.
The output is a document, not a screenshot. Every sheet states its source and its limits.
Three-view sheet
Front, end and profile views, plus pictorial views from both sides and the top.
Measured extents
Overall dimensions, normalised so the widest span is 2.00 model units.
Topology
Faces, watertight status and genus, so you know what kind of solid you have.
Fit scorecard
Silhouette IoU and interior-edge agreement, per frame and overall.
Parametric source
The OpenSCAD source, so a change to a wall, pitch or count can be re-run.
STL mesh
The geometry itself, ready for the next tool in the chain.
One capture, one sheet, one reviewer.
Front, end and profile, with pictorials.
Silhouette and interior edges, not one scalar.
Extents are normalised; the sheet says so.
Packaging fit, DFM review and reverse engineering.
The same geometry pack supports the decision, whether that decision is a carton, a tooling change or a replacement part.
Packaging fit and structure
Use the extents and views to check whether the product fits a carton, insert or display. Absolute size comes from the catalogue.
DFM review
Change a wall, pitch or feature count in the parametric source and re-score against the same capture.
Reverse engineering
No drawing, only a sample. Reconstruct a reviewable model and a sheet from the capture.
Aftermarket parts
Rebuild a discontinued or supplier-only part, then match it to the catalogue with Crosswalk.
Catalog 3D assets
Turn a capture into an STL and orthographic views for PIM, Studio and Ads.
Incoming inspection
Capture the received part and compare it to the approved geometry. Flag the difference, or abstain.
We will show you on your own capture.
Client product geometry is not published. In a dry run, we return one sheet from one capture: photographs, three orthographic views, pictorials, extents, topology and the fit score.
- One sheet.Photos, three orthographic views, pictorials, extents and topology.
- One scorecard.Silhouette and interior-edge agreement, per frame and overall.
- One source.The STL mesh and the parametric OpenSCAD source.
A render is not a geometry pack.
| The question | A render | A Melmac geometry pack |
|---|---|---|
| The output | An image you cannot measure. | A sheet with views, extents and topology. |
| The model | A frozen mesh. | Parametric OpenSCAD you can edit and re-run. |
| The fit | It looks right. | Silhouette plus interior-edge score. |
| The unknown | A confident guess. | Abstain, with a reason. |
| The invoice | Tokens, metered. | One quote, paid on completion. |
What engineering teams ask.
What is AI CAD reconstruction from product photos?
It is the process of turning a turntable capture into a parametric model and a reviewable geometry sheet. The agent names the form, writes OpenSCAD, solves its own pose and scores the fit against the photos.
What do you need to start?
A full turntable capture and the product's catalogue size. No CAD is required. The capture fixes proportions; the catalogue supplies absolute size.
Is this a metrology tool?
No. Extents are normalised so the widest span is 2.00, and no dimensional tolerance is claimed. Use it for shape, fit and review, not for inspection sign-off.
How do you handle louvres, slats and other repeated features?
The agent writes parametric OpenSCAD with loops, and the scorecard includes interior-edge agreement. A missing slat or a wrong pitch fails even when the silhouette looks right.
What if the photos do not determine the form?
The agent can abstain with a reason. A confident wrong mesh is not a valid answer.
What do we get at the end?
A PDF geometry sheet with photographs, three orthographic views, pictorial views, measured extents, topology and a fit score. The STL mesh and the OpenSCAD source are saved with it.
Can you use it for packaging and DFM?
Yes, as a scoped workflow. Use the views and extents for packaging fit, compare variants, and edit the parametric source for DFM review. It does not replace a drawing or an engineering release.
How is product geometry priced?
One quote, agreed before the run. You pay when the pack is delivered.
Send one capture. See one sheet.
One price, agreed before anything runs. You pay when the pack is delivered.