Jokes on you. I'm a Machinist and that feature on the drawing has an perpendicularity GD&T callout of +- 1deg. In spec is in spec. Ship it!!!
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As long as it's perfectly 89° it's fine. That's acute angle.
Engineers: Eh, close enough.
I didn't know 1° difference would be this noticeable. I am very disturbed.
Is it exactly 89°?
No. It measures about 87°.
90° isn't any more perfect than 89°. Unless it was supposed to be 90°.
So if you post this exact thing but include the right angle indicator, that would make the image work as intended.
It's supposed to be 89° but is actually 87°. So it qualifies as imperfect.
More concerned about why you wasted all those colors on this image when two was sufficient?
You should have put the little square thing in the corner to indicate a right angle!
It's still perfect since you can just take 32040 of these (= 89*360, ggt is 1 since 89 is prime) and then you will have a full circle. A real shame it would have been when you would have took an irrational amount of degrees since then this calculation would not be possible. There could only be an approximation that makes it impossible in reality to decide if it is right or not but mathematically speaken it would be impossible.
Wish i didn't see this
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