This is a battery cell case that was a pain last time I printed it with supports
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What exactly is the difference to just printing it standing?
This particular model would have lots of troublesome bridging if printed vertically, and would need supports along the entire length if printed horizontally.
Less overhangs?
That's one, but if you are priting a particularly delicate part, printing at an angle could strengthen the part significantly
How? What mechanisms, conditions, etc, are we manipulating which produce such a significant effect? After a bit of searching I found this write up:
https://thor3d.ca/wp/the-effects-of-print-orientation-on-strength/
Is this what we're referring to? To summarize (if I've understood this properly): Printing at 45 degrees ensures none of the print's three axes are aligned with the printer's least accurate axis of movement.