A hand-drawn schematic or diagram on a napkin with various symbols and lines.
Schlüsselwörter
vignetting,
drawing,
diagram,
napkin,
hand-drawn,
symbol,
line,
note,
doodle,
illustration,
plan,
design,
blueprint,
idea,
concept,
sketching,
casual attire,
informal,
creative,
crayons,
pen,
paper,
surface,
textured,
layout,
schematic,
technical,
workspace,
brainstorming,
artistic,
rough,
draft,
planning,
diagrammatic
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