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Reply by zipzit

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Posted on One of the most primitive and effective tools I ever saw

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zipzit

15 posts in 2249 days


#1 posted 12-13-2019 09:09 PM

That is a pretty good video. Thank you for sharing. Note, you can also use a simple compass to do the same thing, in reverse.

  1. Establish a fixed radius. Lock the compass.
  2. Draw a reference on your piece of “cardboard” somewhere, anywhere so you can precisely reproduce that fixed radius you chose in step #1. The reference shows EXACTLY the distance from point to lead marker.
  3. Place the sharp point of the compass on each of the “key points” / corners of the thing you are trying to reproduce. Swing an arc on the cardboard. Ensure you have lots of points on the periphery of the shape you are trying to reproduce.
  4. You are now ready to make your pattern.
  5. For each arc you’ve drawn, you can reproduce the original pivot point. Select two different points on the each arc. Further away is better for resolution. Swing an arc. Where the two arcs intersect, that is the “key point” you chose in step #3.
  6. Already use tools you have. Less stuff to store.
  7. Reproduce results from saved patterns even years later, after somebody threw away the old tick stick while cleaning up the shop, oops.

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