<canvas> and SVG, Zdog gives you ability to design and render simple 3D models on the Web. As mentioned in the Zdog website, it is a pseudo-3D engine. Its geometries exist in 3D space, but are rendered as flat shapes.
To install and use Zdog, follow the link below:
Below are some of the Zdog demo on CodePen
1. Hello Word Demo
2. Super Mario Demo
3. Cone Mace Demo
4. Little Forest Demo