Smallest Instant Close 0.3s Open 3x3 Piston Door
ABBA bad, embrace single-directional repeater chains. Now in pretty magenta :D
Closing: Instant, 3gt reset
Opening: 0.3s, 0.45s seamless, 0 reset
3x15x12, 540 Blocks
Fully reliable, non-locational, non-directional
Fully contained
No Non-Piston sounds
Works in 1.16+
Input does not need funny stuff for min reset