Comment by uticus

opening the thinkpads will add ~ 38% to the effective area of stacking thinkpads, if edge-to-edge (0.2325m depth closed, assuming doubling for opened = 0.465m opened) [0].

if opened and touching corner-to-corner (~0.574m), will add ~ 71% to effective area.

[0] https://www.lenovo.com/content/dam/lenovo/pcsd/north-america...