OpensCad parametric ventilation grill designer

# Parametric Ventilation Grill

A fully parametric ventilation grill generator for OpenSCAD.

https://www.youtube.com/shorts/yNGXBvXHoFo

This script can generate both round and rectangular ventilation grills with configurable hole patterns, mounting holes, countersinks, corner radii, borders, and overall dimensions. It is intended for electronics enclosures, fan guards, speaker covers, cabinet ventilation, and general workshop projects.

## Features

* Round or rectangular grill shapes
* Round holes or slotted openings
* Adjustable grill thickness
* Independent X and Y border control
* Automatically centred hole raster
* Optional mounting holes
* Optional countersinks
* Adjustable corner radius for rectangular grills
* Fully customizable dimensions

## Parameters

### Main Shape

**grill_shape**

* "rect" = rectangular grill
* "round" = circular grill

**width**

* Width of rectangular grill

**height**

* Height of rectangular grill

**diameter**

* Diameter of circular grill

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