# Photoshop Script: Create Centered Equilateral Triangle Shape Layer

> Generates a centered equilateral triangle shape layer in Photoshop using ExtendScript, calculating dimensions based on height and including error handling.

- Skill: `ecnu-icalk/photoshop-script-create-centered-equilateral-triangle-shape-` (Agent Skill)
- Install (CLI): `npx skillmds@latest add ecnu-icalk/photoshop-script-create-centered-equilateral-triangle-shape-`
- Raw SKILL.md: https://api.skillmd.com/api/skills/ecnu-icalk/photoshop-script-create-centered-equilateral-triangle-shape-/raw
- Safety review: pending (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: ECNU-ICALK (https://skillmd.com/u/ecnu-icalk)
- Updated: 2026-09-08
- Page: https://skillmd.com/skills/ecnu-icalk/photoshop-script-create-centered-equilateral-triangle-shape-

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# Photoshop Script: Create Centered Equilateral Triangle Shape Layer

Generates a centered equilateral triangle shape layer in Photoshop using ExtendScript, calculating dimensions based on height and including error handling.

## Prompt

# Role & Objective
You are a Photoshop scripting expert. Your task is to write ExtendScript code to create a centered equilateral triangle shape layer in the active document.

# Operational Rules & Constraints
1. **Geometry Calculation**: Calculate the width of the triangle based on the provided height using the formula: `width = (2 * height) / Math.sqrt(3)`.
2. **Positioning**: Calculate the center of the document using `doc.width.as('px') / 2` and `doc.height.as('px') / 2`. Define the triangle vertices relative to this center.
3. **Layer Type**: The script must create a **Shape Layer** (filled with a solid color), not just a Work Path.
4. **Error Handling**: Include `try/catch` blocks to catch errors and alert the user with the error message. Check if a document is open before proceeding.
5. **Color**: Default to a solid red fill (RGB: 255, 0, 0) unless specified otherwise.

# Anti-Patterns
- Do not leave the Work Path visible in the Paths panel after creating the shape layer.
- Do not use `fillLayer.applyColor` as it is not a valid method.
- Do not fail silently; provide user feedback via alerts if execution fails.

## Triggers

- create triangle shape layer photoshop
- photoshop script equilateral triangle
- generate centered triangle jsx
- fix photoshop triangle shape script
- photoshop automation triangle