Simple Cube

   -3<x<3  , x(step)=6

   -3<y<3  , y(step)=6

   -3<z<3  , z(step)=6

 Fx(x,y,z) = x

 Fy(x,y,z) = y

 Fz(x,y,z) = z

    2<x<6  , x(step)=2

    2<y<6  , y(step)=2

    1<z<5  , z(step)=2

 Fx(x,y,z) = x

 Fy(x,y,z) = y

 Fz(x,y,z) = z

    -3<x<3  , x(step)=0.5

    -3<y<3  , y(step)=0.5

    -3<z<3  , z(step)=0.5

 Fx(x,y,z)=1/[(y^2+z^2<=8)*(y^2+z^2>4)] * x

 Fy(x,y,z)=1/[(x^2+z^2<=8)*(x^2+z^2>4)] * y

 Fz(x,y,z)=1/[(x^2+y^2<=8) *(x^2+y^2>4)] * z

    -3<x<3  , x(step)=0.5

    -3<y<3  , y(step)=0.5

    -3<z<3  , z(step)=0.5

 Fx(x,y,z)=1/[(y^2+z^2<=8)+(y^2+z^2>4)] * x

 Fy(x,y,z)=1/[(x^2+z^2<=8)*(x^2+z^2>4)] * y

 Fz(x,y,z)=1/[(x^2+y^2<=8) *(x^2+y^2>4)] * z

    -3<x<3  , x(step)=0.5

    -3<y<3  , y(step)=0.5

    -3<z<3  , z(step)=0.5

 Fx(x,y,z)=1/[(y^2+z^2<=8)*(y^2+z^2>4)] * x

 Fy(x,y,z)=1/(x^2+z^2<=8) * y

 Fz(x,y,z)=1/(x^2+y^2<=8) * z

    -3<x<4  , x(step)=0.5

    -3<y<3  , y(step)=0.5

    -6<z<6  , z(step)=0.5

 Fx(x,y,z)=1/[(y^2+z^2<=8)+(y^2+z^2>4)] * x

 Fy(x,y,z)=1/[(x^2+z^2<=8)+(x^2+z^2>4)] * y

 Fz(x,y,z)=1/[(x^2+y^2<=8) *(x^2+y^2>4)] * z

   **Cube Room** (D.TEBER)

    -3.5<x<3.5  , x(step)=0.5

    -3.5<y<3.5  , y(step)=0.5

    -3.5<z<3.5  , z(step)=0.5

 Fx(x,y,z)=1/[(y^2+z^2<=8)-(y^2+z^2>4)] * x

 Fy(x,y,z)=1/[(x^2+z^2<=8)-(x^2+z^2>4)] * y

 Fz(x,y,z)=1/[(x^2+y^2<=8) -(x^2+y^2>4)] * z

   **Saperate Cubes** (D.TEBER)

    -5<x<5  , x(step)=0.5

    -5<y<5  , y(step)=0.5

    -5<z<5  , z(step)=0.5

 Fx(x,y,z)= x

 Fy(x,y,z)= y

 Fz(x,y,z)= z

  defined=1/[(x/0.5 mod 5!=0)and

                    (y/0.5 mod 5!=0)and

                    (z/0.5 mod 5!=0)]

    Cubical Sphere

    -5<x<5  , x(step)=0.5

    -5<y<5  , y(step)=0.5

    -5<z<5  , z(step)=0.5

 Fx(x,y,z)= x

 Fy(x,y,z)= y

 Fz(x,y,z)= z

            R=(x^2 + y^2 + z^2)^.5     

   defined=1/[R<=5]

    0<x<2  , x(step)=2

    0<y<2  , y(step)=2

    0<z<2  , z(step)=2

 Fx(x,y,z) = x * y

 Fy(x,y,z) = y

 Fz(x,y,z) = z

tiangular prizm with sphare  and cube

Pyramid

    -1<x<1          , x(step)=1

    -1<y<1          , y(step)=1

    0<z<zson=5  , z(step)=1

 Fx(x,y,z) = x *z

 Fy(x,y,z) = y *z

 Fz(x,y,z) = zson -z