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Keith
i was lucky on my first attempt, i see now that you need a projected light 90 degrees to the object and you focus on it and the shadow is perfect all around
I used a slide projector but i need one that has a variable focal length as i can only trace about 14inx14in
Or a higher ceiling
The strength of the light also helped
I am still working on finding that perfect projector 9very difficult without trying it)
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The LED light worked fine. When the piece was perfectly centered under the light there was absolutely no shadow when the part was sitting on the table probably because the light is not a point source. The three blades cast the light evenly all around the part. Raising the part off the table was the only way to produce a shadow, I think this is because of the distance between the light source and the part. As the light gets closer a shadow will develop.
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Yes i agree to lift the object off the table even 1/4 to 3/8 might be a better shadow effect
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