COB-exact: timeline 1:1 from ARMCH.COB (rev31.gp3, the 3.1 balance). the builder unfolds a platform: doors, a rising plate, and a nano gun that swings to the build site.
Animation

PNG frames

Frame 0 / 1040.00 s
COB timeline (ARMCH.COB)
- 0.40–1.08 s — RequestState: build doors tilt −67°/+67° (99 deg/s, 677 ms)
- 1.08–1.77 s — doors drop −2 elmo and the platform plate rises +4 elmo (688 ms)
- 1.77–2.49 s — post +90° / nano gun −90° (131 deg/s, 725 ms)
- 2.49–2.68 s — turret turns to the build site (160 deg/s)
- 2.68–4.60 s — Building hold (the nano beam is engine-side)
- 4.60–6.88 s — Folds back in the compiled order (post/gun, plate, doors)