=============  CYLINDER  2.5d volume ================

Volume: -0.026
Surface: 0.053
----------------------
Added volume: (+)0.000
Removed volume: (-)0.026
----------------------
Matching cells: 28.5%
Non-matching cells:
    ground = 0.0%
    ceil = 71.5%
Average neighbors per cell: 7.5 / 8.0

=============  PISTON 2.5d volume =============
Volume: -0.033
Surface: 0.051
----------------------
Added volume: (+)0.000
Removed volume: (-)0.033
----------------------
Matching cells: 27.9%
Non-matching cells:
    ground = 0.0%
    ceil = 72.1%
Average neighbors per cell: 7.8 / 8.0

====================================
Edit ---> Mesh ---> Measure Volume
[21:49:39] [Mesh Volume] Mesh 'piston': V=0.0326455 (cube units)
[21:49:52] [Mesh Volume] Mesh 'cylinder': V=0.0244805 (cube units)