stackable frame system

I have developed a stackable frame structure that can be stacked on top of each other, similar to building blocks. The advantage of this system is the ability to create a wide variety of frame sizes with simple means. Even L-shaped constructions can be achieved with just one component. The printing process is entirely support-free. The set includes the corner piece, the T-connector, and the threaded insert for leveling on the ground. The thread is M10 standard. I printed the T-connector at a 45-