Changes to Step #1

Edit by jeanbaptiste

Edit approved by jeanbaptiste

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[* black] Parts:
[* black] 2 lenghts 19 hole 1/2" tube
[* black] 1 length 17 hole 1/2" tube
[* black] stack the three tubes so that on one end the ends line up.
[* black] NOTE: new tube added in this step, slight modification of previous version of the machine prototype 3
-[* black] 0 photos, timestamp 7
+[* black] 2 photos, timestamp 7:32, 7:33