Fiction writer needs Steampunk blazon/coat of arms style art for invented world

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This customer received 6 art designs from 3 designers. They chose this art design from Big Bad Cow - Graphic Design and Imaging as the winning design.
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I need a blazon/coat of arms style art design for a invented Steampunk world named "Plenum Vapore" (which mean full steam as in "full steam ahead"). I am open to any ideas but would like some bronze and some purple used.
For you inspiration here is a list of element from the world and story:
- Many "artificial islands" big enough for small cities plus a Manor and it's surrounding "domain" and a big industrial district travelling the oceans
- Small flying islands floating on a bunch of crystal and surrounded by a fog. The islands are just big enough for a village.
- Outside of the obvious power of the royal (british) family, there is 2 major powers that are rivaling for glory and recognition: The Techno-Scientist and The Mathemagus.
- Science and Magic coexist but are in constant competition. Technology and science push the limit of the possible to get often very close to what we would call magic while magus will push the scientific explanation and theorems of their art to a point where it is almost science.
- Use of crystals and steam engine are common
Other technologies:
- Big "industrial revolution" style factories
- Flying steam machines that are based on insects (dragonfly, beetles, etc) (very small - max 6-10 passengers)
- Big flying machines are either dirigible or flying island (which are chunk of rock and earth (like a normal island) sitting on a bunch of giant crystals that lift them when energy is passing through the crystal producing a fog (like a cloud around the base of the island))
- Trains (either on rail or "hovering" on crystal-fitted rails)
Target Market(s)
18-35, fans of Victorian, Steampunk and sci-fi
Font styles to use
Look and feel
Each slider illustrates characteristics of the customer's brand and the style your logo design should communicate.
Elegant
Bold
Playful
Serious
Traditional
Modern
Personable
Professional
Feminine
Masculine
Colorful
Conservative
Economical
Upmarket
Requirements
Nice to have
- Steam
Should not have
- Skulls, guns