# Filament Spool Cover

![Preview](preview.png)

A circular dust cover that clips onto the outer rim of a filament spool. Snap-fit clips around the perimeter grip the spool edge to hold the cover in place.

## Parameters

### Spool

| Parameter | Default | Description |
|-----------|---------|-------------|
| `spool_outer_diameter` | 200 mm | Outer diameter of the filament spool |
| `spool_rim_thickness` | 2.5 mm | Thickness of the spool rim (the edge clips grab) |

### Cover

| Parameter | Default | Description |
|-----------|---------|-------------|
| `cover_thickness` | 1.5 mm | Thickness of the cover disc |
| `skirt_height` | 5 mm | Height of the skirt that wraps around the spool rim |
| `skirt_wall` | 1.2 mm | Thickness of the skirt wall |

### Clips

| Parameter | Default | Description |
|-----------|---------|-------------|
| `clip_count` | 6 | Number of clips around the perimeter |
| `clip_arc` | 15 deg | Angular width of each clip |
| `clip_lip_depth` | 1.5 mm | Depth of the clip lip that hooks under the rim |
| `clip_clearance` | 0.3 mm | Clearance gap for snap fit |

### Quality

| Parameter | Default | Description |
|-----------|---------|-------------|
| `resolution` | 120 | Number of facets for circular geometry |

## Print Notes

- Print flat (disc face down) with no supports needed.
- Use a flexible filament (TPU/TPE) for easier snap-on, or PLA/PETG for a rigid fit.
- Adjust `clip_clearance` if the fit is too tight or loose for your spool brand.