Plywood CNC Laser STEP Design

I’ve sketched a small project that I’d like to run on a CNC laser cutter and now need a clean, production-ready STEP file. The material will be plywood, so you can assume the layout should suit laser-cut sheet stock and account for typical kerf on wood... (Budget: $10 - $30 USD, Jobs: 3D CAD, 3D Design, 3D Modelling, 3D Printing, AutoCAD, CAD/CAM, CNC, Solidworks)