here are some pictures of the big cone vs. a smaller cone.
#1. I like to cut the top off so I can see where I need to follow a line.
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#2. I cut one side then second, third ending with all four side square.
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#3. shows you the difference in sizes.
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#4. this is a pen blank ready for turning. soaked with thin CA.
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#5. here is the pen turned ready for finish.
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and last #6. the finished pen.
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I hope this sheds some light on what it takes to achieve the stopper and pen. I want to thank you for all your kind words.
Laurie