CNC Donut Slices from Tapered Tube

I need a CAD program for CNC machining for a hollow tapered wooden tube cut into donut-like slices to suit 33mm thick timber board. Taper to be advised once job taken. Requirements: - Start with one simple... (Budget: $25 - $50 AUD, Jobs: 3D Modelling, CAD/CAM, CNC, CNC Accessories, CNC Machine Retrofitting, CNC Programming, Solidworks)