Going from a wireframe to a construction with shapes that have volume

Questions
21

It is not embedded. I just use markup code - I paste a snapshot and convert it to a link. Something like this:

[pasted-snapshot](url-of-demo)

Note that when you paste a picture here, it will show some monsterous name, something like this:

[![image|690x491, 50%](upload://7DsRRKcr1bSgttTfchBk6OiawBS.png)](https://codepen.io/boytchev/full/EagdymW)