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Retracting Key Ring Corrals Chuck Key. Noticed this write-in tip from Matthew Hakeman in the most recent issue of The Family Handyman.

Retracting Key Ring Corrals Chuck Key

Googling discovered the title image in a thread over at, from user evintho. Looks like he’s put a metal strap around the key between the handle and the teeth. The illustration to right is from, and shows an alternate method for attaching the key ring to the chuck key using a short wooden dowel. I like this tip a lot, and I happened to have one of those retracting spring-reel key rings lying around, so I tried it on my own small drill press, as shown in the picture below.

How-To: Center Stock in a 4-Jaw Lathe Chuck. Tools, Parts, Kits for DIY'ers - Curious Inventor. Basic Metal Working « This 8-minute video uses a simple project to demonstrate basic metal working skills and tools.

Basic Metal Working «

It probably tries to teach too much in too short a time but we think it’s still a good video. You’ll learn how to accurately layout and drill holes, the proper way to use hacksaws and files, a variety ways to use digital calipers, how to safely use a drill press and and much more. Unfortunately it doesn’t mention center drills. Dank. Grbl is a free, open source, high performance CNC milling controller written in optimized C that will run on a straight Arduino.


Get the code at Github | Follow Grbl on Twitter MIT Center for Bits and Atoms designed a beautifyl snap fit CNC machine controlled by Grbl. Extruder. Grinding Lathe Tools on a Belt Sander – For the New Guy. I’m a believer.

Grinding Lathe Tools on a Belt Sander – For the New Guy

As a new guy I totally sucked at grinding lathe tools. It’s almost painful to admit how many stubby, misshapen, multi-faceted, overheated and just plain ugly lathe tools I made back then. Grbl development log. First complete job … completed I finished a little Air-app to stream complete jobs to the Grbl and render the result.

Grbl development log

This is the first “full scale test” running some 7000 lines of sample G-code I scrounged from this thread on CncForum. The Air-app feeds g-code to the microcontroller one line at a time, while the microcontroller generates the steps and feeds them back to be simulated in the Air-app. CNC Router Build – The Stand. The stand for my Solsylva 25x25-inch CNC router is made from 1x4-inch pine boards.

CNC Router Build – The Stand

Two of the supports are hinged so you can fold the router down so it takes up less storage space. Building the stand for my Solsylva 25×25 CNC router was pretty simple. The hardest part was attaching the hinged support. I also had some trouble finding straight lumber for it and the rest of the router. Router Tool Holder by Rob. The Largest Machinist Community on the net! - View Single Post - Epoxy-Granite machine bases (was Polymer concrete frame?) The Largest Machinist Community on the net! - View Single Post - So whats the Exopy Granite Mix? Free Plans: David Kerzel’s C02 Engine. Info/Images/47158Parts.pdf.