You need to provide detailed 2D Drawings from all sides ,front ,back ,top ,bottom ,left ,right sides and a few prespective views of exactly what you want .
That's the only way another would know what you want made in to a 3D mesh.

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The Artist that will fight for decades to conquer their media.
Even if you never know their name ,your know their Art.
Dark Sphere Mage Vengeance