This is an OpenGL graphics library written in C++. OpenGL is a common library used for rendering 3d graphics, like in the demo image below.
On the right side of this github reposoitory, click the "releases" page and download and unzip the "OpenGL-Library.zip" file, and double click the "TestGraphicsApplication.exe" file.
In order to clone OpenGL-Library:
git clone https://github.com/DavidMedin/CedarGL.git && cd CedarGL
git submodule update --init --recursive