Chocolate mould design

Excellent designer needed to convert a basic 2d drawing into a 3d print design so that we can make moulds for chocolate bars.

Quick turn around needed.

See images attached of a similar mould for clarification

Mould total dimesnisons. 274 x 174 3 3 bar cavities
Bar dimensions 157 max x 77 max
Bar dimensions 155 min x 74 min

pattern repeat rectangle with Christian fish and cross. 23mm x 16 mm per section. 1mm high v between sections.
Diamond pattern to be replaced with Caldey Fish symbol on each section.

Thanks for your help.

Kindest,

Mark