Is there a way to select all faces in my mesh that have normals that point upwards, with a range of how much they need to be pointing upwards to be selected?
I have a mesh of a house, and I want to add a solar panel material to all the faces that point upwards but the mesh just has too many faces to do it manually. It also has an inside that I do not want to be selected. I am not sure whether this will involve scripting (I know absolutely nothing about scripting by the way)
Preferably, my selection would look something like this:
Thanks in advance for any advice anyone gives me.
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I would use c for circle select and pick the top parts of the globes then either grow selection or use select similar.
Select similar which is Shift + g can be used to find faces with similar angles/direction which should be your best bet. Then just grow your selection using Ctrl + + More ways to select can be found here https://docs.blender.org/manual/en/latest/modeling/curves/selecting.html
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1$\begingroup$ yes shift G > Normals then play with the Threshold of the Operator box, or ctrl +, seems to be the solution $\endgroup$ Commented Apr 30, 2020 at 10:46
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$\begingroup$ Thanks so much! That worked perfectly, I will have to deselect a few things like the floor inside and window ledges, but that will be nothing compared to the amount of work that it would be to select everything manually. $\endgroup$ Commented Apr 30, 2020 at 15:45