Simple Adjustable Stringing Test

## Adjustable Stringing Test Model

This adjustable stringing test model is designed to help you fine-tune retraction settings for your 3D printer. It consists of a base and stackable levels, giving you the flexibility to test one or multiple retraction values in a single print.

- **Single Retraction Test:** Print just the base if you only want to test one retraction setting.
- **Multiple Retraction Tests:** Add more levels to test different retraction values simultaneously. Each level is separated by a distinct indentation, making it easy to identify where each level starts and ends.

## Specifications:

- **Base Thickness:** 0.5mm
- **Level Height:** 6mm (including the indentation)

### Height Markers:
- Level 1 starts at 0.5mm
- Level 2 starts at 6.5mm
- Level 3 starts at 12.5mm
- Add 6mm for each subsequent level.

For best results, print with 2 perimeters/walls and optional infill. The simple design ensures you can quickly compare stringing performance across differen