Blender Unit Scale - Compatibility issue!

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  1. Unless you export your model as FBX file and import it, say, in 3ds Max or Maya, you will not notice the issue. Blender will show your models correctly in every aspect. As I say the issue appears when you want to interchange your models with Unity/UE/Max/Maya and others.

  2. Blender’s Unit Scale is the amount of units that the base unit scale (meters, can’t be changed in settings - PROBLEM!!!) is multiplied. If Unit Scale is set to 1 (applicable to 2.8x and 2.9x) then if you choose centimeters in Length units your 1 centimeter will be equal to 1 meter. Actually, whatever Length units you will choose it will be equal to 1 meter unless you change Unit Scale accordingly. You will not notice that in Blender, but after exporting to other software you’ll get a mess if you don’t change Unit Scale value - your objects will appear scaled 100 times!!!.

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