Speaker Spacer Ring Generator

*** NEW VERSION ***
This new version makes the Speaker Ring Generator much easier to use in real projects. You can now choose how the ring mounts: either with normal mounting holes within the ring or with mounting tabs around the outside, but not both at the same time. The mounting tabs can be set to three or four tabs and have rounded ends so there are no sharp corners. Each tab has a slotted hole so screws can slide a little, which helps when holes don’t line up perfectly. The tabs have their own height setting, separate from the main ring, with a default of 4 mm. Tabs are numbered T0 through T3 in a clockwise order, and changing a tab angle works like a compass: positive numbers move the tab clockwise. There are also preset layouts, such as evenly spaced tabs or a design with one tab slightly offset, which is common in factory mounts. A debug mode can display tab numbers and angles directly on the model, allowing you to verify everything before printing. The program can also print a