Grid for floor sink

# Drain Grid (Grelha para Ralo)

A customizable drain grid designed for 3D printing using OpenSCAD.

## Overview

This project provides a parametric OpenSCAD design for a drain grid with a central hub, an outer ring, and multiple connecting spokes. The design is fully customizable, allowing you to easily adjust dimensions and structure to fit your specific needs.

## Features

- **Customizable Dimensions**: Easily adjust external diameter, internal diameter, central hub diameter, and height
- **Parametric Design**: Modify the number of spokes, spoke thickness, and border thickness
- **3D Print Ready**: Optimized for FDM 3D printing on common printers like the Ender 3
- **High-Quality Rendering**: Configurable quality settings for preview and rendering
- **Creative Commons Licensed**: Free to use, modify, and distribute

## Customization Parameters

All dimensions are defined at the top of `Grelha.scad`:

| Parameter | Default | Description |
|-----------|---------|-------------|
| `Dia