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Perpetual Motion Machine: The real-life version of M.C.Escher's Waterfall

Step 135.7 Supporting columns generate illusion

5.7 Supporting columns generate illusion
We stick PVC pipes of different sizes on the bases according to perspective. To generate visual illusion, we need to cut some part of PVC pipes. This picture shows how to draws the part to be cut. Actually we use output on video to guide the place of marks.

Initial Effect.
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