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

Electronic Leadscrew on Myford Super 7

A spreadsheet to budget purchase of a Tormach milling machine and accessories

A spreadsheet calculator to help design a Rosebud grate hole matrix

A discussion document on whether to 3D CAD or Not

Clock Wheel Cutting using Sherline Rotary Table and Tormach CNC mill

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

Updating the Tormach Tool Table codes (description and spreadsheet)

How I did Mill Turning on the Tormach PCNC440

An idea for a 4 Jaw Chuck Laser Centring Device write up as pdf

Fusion 360 files for the lathe centring device in a zip folder.

Hall Effect based electronic tool height setter write up

Arc and Circle Calculation Sheet for GCode spreadsheet for calculating I and J codes.

How to use FlatCAM based on Version 8.5