Blocks:
[Set up [a list v] with dimensions (width) x (length) and default value [string]]
[Set up [a list v] with dimensions x: (width) y: (length) z: (height) and default value [string]]

Syntax:
[a list] is any list which you would like set up in the array format*.
[width] is the width of your array; a number.
[length] is the length of your array; a number.
[height] is the height of your array; a number.
[string] is the default value of each item in the array before it is specifically set.

Blocks:
[replace item x: (number1) y: (number2) of [a list v] with [string]]
[replace item x: (number1) y: (number2) z: (number3) of [a list v] with [string]]

Syntax:
[number1] is the x position of the item in [a list] to replace with [string]
[number2] is the y position of the item in [a list] to replace with [string]
[number1] is the z position of the item in [a list] to replace with [string]
[a list] is the name of a list that has been set up in the array format*.
[string] is the value to set to cell x:[number1] y: [number2] [z: [number3]]

Blocks:
[get item x: (number1) y: (number2) of [a list v] and save it to item (number4) of [report list v]]
[get item x: (number1) y: (number2) z: (number3) of [a list v] and save it to item (number4) of [report list v]]

Syntax:
[number1] is the x position of the array item you are searching for.
[number2] is the y position of the array item you are searching for.
[number3] is the z position of the array item you are searching for.
[number4] is the item of the [report list] in which to save the value of the item at x: [number1] y: [number2]  [z: [number3]]
[report list] is the name of a list in which values are stored for retrieval.  If you think this is inconvenient, press the scratch team for custom reporter blocks.  The multiple items of that list is so that you can call the same block multiple times at once and save the reported value to a separate list item with each instance of the block in order to avoid confusion.

Blocks:
[insert row at position (number1) of 2d list [a list v] with default value [string1]]
[insert row at position (number1) of 3d list [a list v] with default value [string1]]

Syntax:
[number1] is the y position of the row to be added to [a list].
[a list] is a list set up in the appropriate format*
[string1] is the default value of items in the new row of [a list].

Blocks:
[insert column at position (number1) of 2d list [a list v] with default value [string1]]
[insert column at position (number1) of 3d list [a list v] with default value [string1]]

Syntax:
[number1] is the x position of the column to be added to [a list].
[a list] is a list set up in the appropriate format*
[string1] is the default value of items in the new column of [a list].

Blocks:
[insert floor at position (number1) of 3d list [a list v] with default value [string1]]

Syntax:
[number1] is the z position of the floor to be added to [a list].
[a list] is a list set up in the appropriate format*
[string1] is the default value of items in the new floor of [a list].

Blocks:
[delete row (number1) of 2d list [a list v]]
[delete row (number1) of 3d list [a list v]]

Syntax:
[number1] is the y position of the row to be added in [a list].
[a list] is a list set up in the appropriate format*

Blocks:
[delete column (number1) of 2d list [a list v]]
[delete column (number1) of 3d list [a list v]]

Syntax:
[number1] is the x position of the column to be added in [a list].
[a list] is a list set up in the appropriate format*

Blocks:
[delete floor (number1) of 3d list [a list v]]

Syntax:
[number1] is the z position of the floor to be removed from [a list].
[a list] is a list set up in the appropriate format*

x, y, [z,] additional x • y [• z] list items