A fellow modeller asked me how I made my form tool that I recently used to turn my whistles. I was planning to have another go so I made another form tool and took photos as I went along. Using a second cut file I filed away approximately half the thickness of the bar (in the event it was nearer to 35/40% than half). Then I used a centre drill to drill a 1.5mm starter hold which I opened out to 2mm. I think my 2mm drill bit must need sharpening because I struggled to get it to go through the last bit. I had drilled quite close to the end so I put the rod drilled end upwards in my vice and tilted it forward to file away until I had just over half the hole exposed. Then I transferred it to the lathe. I put my cone shaped grind stone in the collet chuck and ground the inside of the hole to put my rake on it. The black pen mark on the stone was at the 2mm diameter mark so I didn't inadvertently make the hole bigger. Next, I used the diamond cutting disk to grind back the outer edges to refine what I had filed and get it nearer to final size. But before removing the tool from the cross slide I marked with a pencil the angle which I had ground at to make replacing the tool at the right angle easier should it need regrinding. Then I hardened and tempered the cutting end. I did this by heating the end using my Microflame to a red heat then I quenched it in a jar of water. I repeated the process but only heating until it changed to a blue colour before quenching again in water. I tried cutting a globe but I made a couple of mistakes: The material I was trying it on was too thin (2.5mm diameter) and I had predrilled the centre thinking that I was going to thread a rod through it. The 'globe' broke off long before it remotely resembled a globe and I realised that even with thicker material I needed to grind more off the tool to make the forming half circle shallower. At this point I used thicker material but still predrilled it. Another try; another failure and another regrind. The forum won't let me post more than 10 photos per post so I will finish off in a second post.