Sellers Home Clock: Episode 3
Posted 3 July 2024
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Refining the grooves to correspond to one another is usually necessary with this type of floating panel, and that requires sizing and fitting the panel grooves directly to the grooves in the clock-frame superstructure. In this episode, Paul takes you step by step to size each of the elements appropriately, using the relevant tools, but also some techniques you have never seen before. We follow on with laying out the circumference positions of the number points using various geometry tools and then make the actual brass dots all by hand. By the end of the video, we have the clock dot components made and set in place. Enjoy!
Since compas is set to radius, once the vertical and horizontal lines are marked the others could just be stepped off from where the vertical and horizontal cross the marked circle (like you were setting out two hexagons). Relies on the compas not being reset from when the circle is drawn.
I want to expand on Tom’s comment. Once you draw the circle and have a vertical and horizontal line through the center. You can place the compass point on the 12 o’clock point where the vertical line intersects the top of the circle. Then you can swing an arc and it will mark the 10 and 2 o’clock points. You can do the same starting on the 3, 6, and 9 o’clock points, and then from the marks you’ve created, you can do all the others. I found this easier and more precise than Paul’s method.