Winter 2017 Issue Volume 12, Issue 4 Feature Articles Involute Gearing: Design for 3D Printing by DENNIS KRAMER Simulating Relay Logic with Excel, Version 1.0 by R.G. SPARBER Limit Switches for the Mini-Mill – Part Three by DON L SHAFFER Book Review: A Climax Class A Live Steam Locomotive Model Review by MIKE MASSEE The Case for Open-Source CAM by BRAD COLLETTE Workshop Tips – Precision Drilling Long Parts by DAVID MORROW Departments Along the G-Code Way: Mostly Printed CNC Mechanics by ED NISLEY The Mechatronist: The Wow Clock – Part One by WESTON BYE Sign Up to Receive a No-Obligation Issue DM Magazine2018-05-23T12:13:23-04:00 Share This Story, Choose Your Platform! FacebookTwitterRedditLinkedInTumblrPinterestVkEmail