I must admit I am a big Playground fan (still hoping for an eventual VS Code extension with it… )
A lot of 3D apps like Maya and 3DS Max tend to have the text on the right side and the images on the left. A quick way to experiment what it would be like in Playground is, while in playground, open the console and execute:
I am more of a fan user at the moment, but could eventually look at the ecosystem. If I had enough time, I would consider doing a PG plugin for VS Code like Shader Toy - Visual Studio Marketplace. Actually I think the whole ecosystem of cool tools with BJS would be great as VS Code plugins, and with an added bonus of of a few TS templates (like for https://www.typescriptlang.org/docs/bootstrap), that could make the most incredible 3d dev experience.