I'm starting to make a mailbox. The holes for the hinge are angled. Will the door still be able to open and close?
Your holes are not at an angle - the sides of the part is curved giving you an optical illusion.
The holes are fine, except that you might want to edit Sketch4 and precisely dimension the desired location.
Hard to tell from your image - can you post your assembly here?
This is the only part I've made so far.
The holes for the hinge are angled.
Not sure what you mean by this - to me, it's line up to the right plane and it'd be perfect for door rotating up/down
If the holes are concentric(share the same centerline) you should be fine with rotation. The outside deformation of the hole looks like it is coming from your outside surface, not your actual hole itself. I did not look at your model to verify that, but as long as your holes line up you should be fine rotating.
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