# mxPIC Quick-Reference Style Guide
mxPIC Quick-Reference Style Guide
Welcome to the collaboration of the repository of **mxPIC** program. This repository is aimed for a self-designed PDK that based on ***nazca***, ***gdstk*** and other libraries for the functional build up of photonic integrated circuits (PIC).
This is the fast-track guide to contributing to **mxPIC**. Adherence to these rules is mandatory to pass the automated CI/CD pipeline.
### 1. Primitives
#### 1.1 edge_couplers
##### 1.1.1 EC_px3
Three segement dual-layer etching edge coupler. Previously designed for silicon nitrides.
|Attribute| description |type | default value |
|---|---|---|---|