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