The simple idea behind this pen was to allow to easily draw a closed figure simply by entering a number of x and y numbers. You should also be able to move the object position and see the updated points you had entered.

I am using translate function on the group containing the line segments (paths), and when movement stops, I use a matrix to get the new position of each pair of numbers you have entered.

Click the figure to activate movement mode and click again to leave the movement mode.