Industrial enclosure design for a 70 x 30 mm PCB, 3D printable

I have a finished PCB and I need a proper enclosure designed around it by someone who has done industrial enclosures before. The board is 70 x 30 x 1.6 mm with all components on the top face. An RJ45 jack sits at each short end, 10.9 mm tall, overhanging the board edge by 1.6 mm... (Budget: ₹8000 - ₹12000 INR, Jobs: DFM (Design for Manufacturing), Industrial Design)