Easy Assembly aluminium profiles for Planter Box Container

Easy Assembly system for .Planter Box Container (flowers,plants,etc) All assembly should be made of maximum 3 types of aluminum profiles , or at least we need to keep as few types of profiles as possible so the production of this system to simple and fast. The start ideea is that we have 3 profiles : profil A / side profile :profil B / pillar profile :profil C / bottom of the box profile the start ideea / model offered by me is only for a better understanding of the project. new and better ideas are welcome ! We can use the fence sistem , But we need to Find a silution for the bottom , to be connected with the others profiles like sides and pillars profile it is easy and recommended that the assembly start with the bottom In this system we can use as many pieces as we want from these 3 profiles . each profile must be assembled with each other , the size of the box is given by the length at which we cut the aluminum profiles, this is beautiful, is a simple system whose dimensions can be changed at any time. the pictures are for informational purposes only, for a better understanding of the project In order to win the project you have to offer a sketch as simple as possible . In this way I understand what you want to achieve from what I explained above, I do not have time to waste, I want to know exactly what is understood to be done from this sketch . the dimensions of the aluminum profiles are not important in the first phase of the project, only the design of the system and how it is assembled , the solution for what i need Good luck, F