I want to make asurface that has very small thicknes with dimensions of 50cm x 5m that gives me alarm when something like small ball goes throgh it
How to do this ?
I didnot know where to post question so if it is the wrong place could the admin move it to the right place
How to do this ?
I didnot know where to post question so if it is the wrong place could the admin move it to the right place