3d bin packing math formula with example & and implement it in asp.net page

first of all budget is 85usd. hello. let me explain: please visit this link first: [login to view URL] this is what i want. but i dont need any 3d draw. user can add(define) container without no limit (piece) user can add(define) container without no limit (piece) define means: Id Width Height Depth Weight actually, i have this, please take a look at: [login to view URL] but weight is missing. this time i need weight value for each object (containers and boxes) i have this source code. i can share with you. what outputs i need: asp.net source code your software can be like this: [login to view URL] also your outputs can be like this: [login to view URL] but you need to weight results also. means Weight taken: x% i will compare your results with [login to view URL] and i need one document file to explain math formula and algorithm. example can be like this: container: 3x3x3 and this container can get max 500kg we can disscuss this example for the document. - i am going to create first milestone when you show me some code and some algorithm example. - and then i am going to create 2 more milestones. - when you are done with project you can show me some test and show me document. and then i release all milestones to you. and then you send me source code and document. and then feedback issues. budget is 85usd. thanks, selcuk