Links are provided below  is a condensed listing of various files and objects mentioned in my blog : –

Tormach Purchase Costing Spreadsheet (Excel)

tomach mill costing web

Rosebud Locomotive Fire Grate Hole Matrix Calculator (Excel)


A discussion document on 3D CAD

To 3D CAD or Not

Clock Wheel Cutting using Sherline Rotary Table and Tormach CNC mill

wheel cutting

How to mill an object that is larger than your milling machine XY limits

Milling an oversize object