Align to Grid
Snaps all polygon vertices to the nearest point on a regular grid.
When to Use
- To fix off-grid geometry from floating-point rounding during format conversion
- When the target fabrication process requires grid-aligned coordinates
- To enforce a minimum coordinate resolution
Options
| Option | Description | Default |
|---|---|---|
| Grid size | Grid spacing | 1.0 |
| Grid units | Units for the grid spacing | Database units |
How It Works
Each vertex coordinate is rounded to the nearest multiple of the grid size:
- Aligned X = round(X / grid) × grid
- Aligned Y = round(Y / grid) × grid
Technical Notes
- Grid alignment may create zero-length edges or degenerate polygons — run Sanitize Polygons afterward
- Small grid sizes preserve more detail; large grid sizes enforce stricter alignment
- This operation modifies all geometry in the drawing