The Finished Product

Once we get to this stage, the tight pencil lines are inked, showing details and shading (for 3-D look).

This may not look like an actual float to you, but the builders have been constructing these for decades, and are merely using

these drawings as representation to the organizations for approval, and to their talented staff sculptors and painters for reference.

Here is the design Process on a proposed "Uncle Henry" Float:

Note that the rough sketch has an old-school radio and microphone

...And the Finished Product:

Uncle Henry Mardi Gras Float design by Brent Amacker

Note that we've added a Holy Bible.