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Looking good!Will be great to see this develop...
but they LOVE to point out stufff like that and laugh...!
The name on the big wrench may have been chosen because it was less die work for the tool engraver than "His Royal Highness Richard III" (just a theory)
Goodness, that is lot of bolts & nut, with many more to come ....must remember the original pipe spools with bends would have been sand cast and the straight spools Spun Cast, but both in steel with rough surface finishesIf you scraped the layers of paint off the original staight spools on the machine, you would probably find a course rotational pitch [similar to course lathe tooling marking] as a result of the spinning in the Spun Cast processSo, don't worry about any such rotational pitch marks on your PLA printed tubesDerek