I saw this on a FB group. The fellow is in Italy. He was asked what is that block on the Autodisk. He said, It is just a device to make the measure more accurate. I asked him if it worked like a drop tube, or if it vibrated. He hasn't answered. Now, I may have to build a spacer plate that works like a short drop tube, and vibrates. Why did I not think of this before? https://uploads.tapatalk-cdn.com/201...787a36c87f.jpg
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