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for the life of me I cannot find an answer to this seemingly easy operation. In CAD there's this command called "align" where I can simply align points on a polygon to the other points of a polygon, thus perfectly aligning the 2 faces together. However I just simply cannot do that in blender. I have tried snapping with all kinds of options on, changing the normals or the object, resetting the origin point, using different addons (works but very unreliable). I must be missing something very fundamental. A simple example is this: how do I perfectly align the blue face of that triangle tot the blue face of that square? Both are rotated randomly. I want the result to be the triangle over the square, in the square's orientation.enter image description here

Lukasz-40sth
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ghosts
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  • Do you want to move the entire object, or just the face? – Robin Betts Nov 26 '19 at 08:57
  • the entire object. – ghosts Nov 26 '19 at 09:06
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    Related https://blender.stackexchange.com/questions/20891/how-to-snap-the-center-of-a-face-to-another-face https://blender.stackexchange.com/questions/131518/fastest-way-to-snap-two-faces-together-by-aligning-their-centers-in-non-standard https://blender.stackexchange.com/questions/73177/snap-two-objects-face-to-face-in-object-mode – batFINGER Nov 26 '19 at 09:16
  • There are 2 possible routes in the answers here.. depending on how your object axes happen to be aligned to the faces. Some things become a little easier in 2.81, where you will be able to manipulate object axes directly. – Robin Betts Nov 26 '19 at 09:17
  • im sorry im quite new at this, how does one manipulate object axes directly in 2.81? thats the version i have. – ghosts Nov 26 '19 at 11:07
  • but i will check out the answers thank you – ghosts Nov 26 '19 at 11:07
  • i was able to use the empty method to align the faces, but i cannot orientate the edge of the triangle to the edge of the box. – ghosts Nov 26 '19 at 20:55
  • None of the solution provided can help this problem. it seems that it's very difficult for blender to rotate an object exactly to a random angle. this creates a problem to some of the most basic operations, say a roof slope is 1:12, there is not a precise degree to this angle, but if one were to make a simple 200mm flat roof, it is impossible to rotate the roof to that said slope. – ghosts Nov 28 '19 at 09:51

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