About this 3D model
This is an openscad design that allows for fully customization of your shape with various options. To run it you need to download the scad file and get the free openscad application from openscad.org then open up the scad file enter the parameters for your shape and then render it before saving the stl file. Allow you to set any length and height. Options available are1) x side length (multiples of standard catch)2) y side length (multiples of standard catch)3) sides 1 to 4 catches on or off4) solid bottom and depth5) mesh bottom6) hole cut option with radius, number in x and y direction all variable7) variable border width8) Ability to cut holes based on matrix location9) Ability to add additional internal height to holes for mounting leds or other objects If you have any queries setting the options let me know.