Creating a Mesh with the Polygon Shape tool

Using the Polygon Tool - Corel Discovery Center

Smooth

Maya Creative Help, Create Polygon Tool Options

Introduction to 3D Polygon Mesh - 3D Studio

Illustrator How to Make a Triangle

What is a Polymesh?

Using the Polygon Tool - Corel Discovery Center

Maya's Create Polygon Tool

Mesh generation - Wikipedia

The Interactive Tools Framework in UE4.26 (at Runtime!) — gradientspace

Illustrator How to Make a Triangle