Constanza Kit (http://www.scalemates.com/companies/company.php?id=2587) has just released a 1/72nd Fournier RF-6B resin kit.
ref.CON807205 - Fournier RF-6B
Source: http://www.aviationmegastore.com/fournier-rf6--con807205-constanza-kits-con807205-general-aviation-model/product/?shopid=LM5437f81d922e6648aeb9de84a9&action=prodinfo&parent_id=212&art=125438
V.P.