Why is blenders default cube 2 cubic meters instead of 1?

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I had a very frustrating experience with blenders ui. In the transform section there is location, rotation and scale and I thought scale would be dimensions, which I found out later it is not. Now I think a lot of people will confuse scale with dimensions(which is not even visible by default). Let's say I want to make a 0.1m cube then I tried to set scale to 0.1 but since the default cube is 2m my new cube is now 0.2m.



Why is the default cube chosen like this and not the more natural and intuitive 1m^3?



Wouldn't a default cube of 1m^3 be better since then a naive user who confuses scale with dimensions would still get the desired result when trying to input a cube of length 0.1 and input that number into the scale?










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  • When you look at the default cube there is one unit extending in each direction from the centre. One above 0, one below equally two and then the same for X, Y axis. But before I looked I was totally with you.
    – rob
    26 mins ago










  • My guess is it's arbitrary but IMO sensible choice. Akin to a circle of radius 1 there is no fraction involved for radius vs diameter. All the components of points of the cube have value -1 or 1 and a centre at (0, 0, 0). There are a lot of people clear on the distinction between scale and dimension. eg Scale model cars are rarely larger in dimension than the original. The unit is ideal for a system like the metric system. Your question could be considered a little off-topic as primarily opinion base.
    – batFINGER
    22 mins ago

















up vote
2
down vote

favorite












I had a very frustrating experience with blenders ui. In the transform section there is location, rotation and scale and I thought scale would be dimensions, which I found out later it is not. Now I think a lot of people will confuse scale with dimensions(which is not even visible by default). Let's say I want to make a 0.1m cube then I tried to set scale to 0.1 but since the default cube is 2m my new cube is now 0.2m.



Why is the default cube chosen like this and not the more natural and intuitive 1m^3?



Wouldn't a default cube of 1m^3 be better since then a naive user who confuses scale with dimensions would still get the desired result when trying to input a cube of length 0.1 and input that number into the scale?










share|improve this question





















  • When you look at the default cube there is one unit extending in each direction from the centre. One above 0, one below equally two and then the same for X, Y axis. But before I looked I was totally with you.
    – rob
    26 mins ago










  • My guess is it's arbitrary but IMO sensible choice. Akin to a circle of radius 1 there is no fraction involved for radius vs diameter. All the components of points of the cube have value -1 or 1 and a centre at (0, 0, 0). There are a lot of people clear on the distinction between scale and dimension. eg Scale model cars are rarely larger in dimension than the original. The unit is ideal for a system like the metric system. Your question could be considered a little off-topic as primarily opinion base.
    – batFINGER
    22 mins ago













up vote
2
down vote

favorite









up vote
2
down vote

favorite











I had a very frustrating experience with blenders ui. In the transform section there is location, rotation and scale and I thought scale would be dimensions, which I found out later it is not. Now I think a lot of people will confuse scale with dimensions(which is not even visible by default). Let's say I want to make a 0.1m cube then I tried to set scale to 0.1 but since the default cube is 2m my new cube is now 0.2m.



Why is the default cube chosen like this and not the more natural and intuitive 1m^3?



Wouldn't a default cube of 1m^3 be better since then a naive user who confuses scale with dimensions would still get the desired result when trying to input a cube of length 0.1 and input that number into the scale?










share|improve this question













I had a very frustrating experience with blenders ui. In the transform section there is location, rotation and scale and I thought scale would be dimensions, which I found out later it is not. Now I think a lot of people will confuse scale with dimensions(which is not even visible by default). Let's say I want to make a 0.1m cube then I tried to set scale to 0.1 but since the default cube is 2m my new cube is now 0.2m.



Why is the default cube chosen like this and not the more natural and intuitive 1m^3?



Wouldn't a default cube of 1m^3 be better since then a naive user who confuses scale with dimensions would still get the desired result when trying to input a cube of length 0.1 and input that number into the scale?







units






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asked 37 mins ago









Hakaishin

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1309











  • When you look at the default cube there is one unit extending in each direction from the centre. One above 0, one below equally two and then the same for X, Y axis. But before I looked I was totally with you.
    – rob
    26 mins ago










  • My guess is it's arbitrary but IMO sensible choice. Akin to a circle of radius 1 there is no fraction involved for radius vs diameter. All the components of points of the cube have value -1 or 1 and a centre at (0, 0, 0). There are a lot of people clear on the distinction between scale and dimension. eg Scale model cars are rarely larger in dimension than the original. The unit is ideal for a system like the metric system. Your question could be considered a little off-topic as primarily opinion base.
    – batFINGER
    22 mins ago

















  • When you look at the default cube there is one unit extending in each direction from the centre. One above 0, one below equally two and then the same for X, Y axis. But before I looked I was totally with you.
    – rob
    26 mins ago










  • My guess is it's arbitrary but IMO sensible choice. Akin to a circle of radius 1 there is no fraction involved for radius vs diameter. All the components of points of the cube have value -1 or 1 and a centre at (0, 0, 0). There are a lot of people clear on the distinction between scale and dimension. eg Scale model cars are rarely larger in dimension than the original. The unit is ideal for a system like the metric system. Your question could be considered a little off-topic as primarily opinion base.
    – batFINGER
    22 mins ago
















When you look at the default cube there is one unit extending in each direction from the centre. One above 0, one below equally two and then the same for X, Y axis. But before I looked I was totally with you.
– rob
26 mins ago




When you look at the default cube there is one unit extending in each direction from the centre. One above 0, one below equally two and then the same for X, Y axis. But before I looked I was totally with you.
– rob
26 mins ago












My guess is it's arbitrary but IMO sensible choice. Akin to a circle of radius 1 there is no fraction involved for radius vs diameter. All the components of points of the cube have value -1 or 1 and a centre at (0, 0, 0). There are a lot of people clear on the distinction between scale and dimension. eg Scale model cars are rarely larger in dimension than the original. The unit is ideal for a system like the metric system. Your question could be considered a little off-topic as primarily opinion base.
– batFINGER
22 mins ago





My guess is it's arbitrary but IMO sensible choice. Akin to a circle of radius 1 there is no fraction involved for radius vs diameter. All the components of points of the cube have value -1 or 1 and a centre at (0, 0, 0). There are a lot of people clear on the distinction between scale and dimension. eg Scale model cars are rarely larger in dimension than the original. The unit is ideal for a system like the metric system. Your question could be considered a little off-topic as primarily opinion base.
– batFINGER
22 mins ago











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There is no reason. But the default cube goes 1 unit in every direction, it's the same size as a sphere with a radius of 1 unit as well as for example procedural spherical gradient, a plain axis empty has lines going 1 unit in each direction of all axis as well. If it was 1 unit size and it was centered it would have sides ending at half a unit in all directions, that might be weird. So for what it's worth, it has some sense behind it. I think it is mainly this way, only because it had to be some size, and this is no better or worse than anything else. You can create a cube of any size and hit ctrl+u to save another default file if that makes more sense to you.






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    1 Answer
    1






    active

    oldest

    votes








    1 Answer
    1






    active

    oldest

    votes









    active

    oldest

    votes






    active

    oldest

    votes








    up vote
    3
    down vote



    accepted










    There is no reason. But the default cube goes 1 unit in every direction, it's the same size as a sphere with a radius of 1 unit as well as for example procedural spherical gradient, a plain axis empty has lines going 1 unit in each direction of all axis as well. If it was 1 unit size and it was centered it would have sides ending at half a unit in all directions, that might be weird. So for what it's worth, it has some sense behind it. I think it is mainly this way, only because it had to be some size, and this is no better or worse than anything else. You can create a cube of any size and hit ctrl+u to save another default file if that makes more sense to you.






    share|improve this answer
























      up vote
      3
      down vote



      accepted










      There is no reason. But the default cube goes 1 unit in every direction, it's the same size as a sphere with a radius of 1 unit as well as for example procedural spherical gradient, a plain axis empty has lines going 1 unit in each direction of all axis as well. If it was 1 unit size and it was centered it would have sides ending at half a unit in all directions, that might be weird. So for what it's worth, it has some sense behind it. I think it is mainly this way, only because it had to be some size, and this is no better or worse than anything else. You can create a cube of any size and hit ctrl+u to save another default file if that makes more sense to you.






      share|improve this answer






















        up vote
        3
        down vote



        accepted







        up vote
        3
        down vote



        accepted






        There is no reason. But the default cube goes 1 unit in every direction, it's the same size as a sphere with a radius of 1 unit as well as for example procedural spherical gradient, a plain axis empty has lines going 1 unit in each direction of all axis as well. If it was 1 unit size and it was centered it would have sides ending at half a unit in all directions, that might be weird. So for what it's worth, it has some sense behind it. I think it is mainly this way, only because it had to be some size, and this is no better or worse than anything else. You can create a cube of any size and hit ctrl+u to save another default file if that makes more sense to you.






        share|improve this answer












        There is no reason. But the default cube goes 1 unit in every direction, it's the same size as a sphere with a radius of 1 unit as well as for example procedural spherical gradient, a plain axis empty has lines going 1 unit in each direction of all axis as well. If it was 1 unit size and it was centered it would have sides ending at half a unit in all directions, that might be weird. So for what it's worth, it has some sense behind it. I think it is mainly this way, only because it had to be some size, and this is no better or worse than anything else. You can create a cube of any size and hit ctrl+u to save another default file if that makes more sense to you.







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        answered 18 mins ago









        Martin Z

        1,916212




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