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OpenSCAD Print Validation
x402
OpenSCAD Print Validation is a paid API for AI agents from print.api.williamrobinson.dev, paid per call via x402, $0.05/call, status unknown (last checked 2026-09-15).
Renders a self-contained OpenSCAD model and checks whether it fits within slicer bounds for FDM 3D printing
Price / call$0.05
Success—
StatusUnknown
How this service works
Render a self-contained OpenSCAD model and perform bounded slicer checks
Output
Returns a structured validation result indicating whether the rendered OpenSCAD model passes bounded slicer checks, including whether the model fits within the specified build volume dimensions for the chosen FDM profile (fdm-pla-0.4 or fdm-petg-0.4). May include bounding box data, render status, and any constraint violations.
Example use cases
Parametric part fit check
“I have an OpenSCAD script for a custom bracket with a variable `wall_thickness` — can you validate it with wall_thickness set to 3.5 using the fdm-pla-0.4 profile and confirm it fits on a 220x220x250mm bed?”
PETG print feasibility check
“Before I slice this OpenSCAD enclosure, can you render it and run slicer checks using the fdm-petg-0.4 profile to make sure it won't exceed my printer's build volume?”
Automated CI print validation
“As part of my design pipeline, validate this OpenSCAD source file with the default PLA profile and a max size of 200x200x180mm, and tell me if it passes all bounded slicer checks.”
Technical details
Endpoint
POSThttps://print.api.williamrobinson.dev/v1/print/validateWhen to prefer
Use this endpoint when you need to programmatically verify that a self-contained OpenSCAD model is geometrically valid and physically fits within a target FDM printer's build volume before slicing or ordering a print. Prefer this over generic STL validators when your source is parametric OpenSCAD code and you want to test with specific parameter overrides and profile-specific constraints.
Side effects
- OpenSCAD source exceeds 16 KiB limit — rejected with size error
- External imports in OpenSCAD source — prohibited and rejected
- Model bounding box exceeds specified maxSizeMm — validation fails with size violation
- Invalid parameter overrides (derived expressions, reserved names, >64 properties) — rejected
- OpenSCAD syntax errors causing render failure — error returned
- Unsupported profile enum value — rejected with schema error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| source | string | Self-contained OpenSCAD, interpreted in millimetres; maximum 16 KiB UTF-8 before and after overrides. External imports are prohibited. |
| profile | string | |
| maxSizeMm | array | |
| parameters | object | Overrides must name unique top-level scalar literal assignments, not derived expressions or reserved names. |
Tags
x402
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