Labels Milestones
Back(inspired by but simplified from Benjamin AM's [design](https://electro-music.com/forum/post-372492.html#372492)). * Looping mode, allowing attack-decay envelopes to repeat.
- Vertex 0.596366 -6.45034 7.73103 facet normal.
- 0.488318 -0.638359 facet normal -7.217078e-01 6.921978e-01.