Collision Size for a 4x4 (white square grid) unit

[supertoinkz]

Title^

I don't understand how the unit collision size work. It feels like it only increases on certain values (e.g. 31.00 and 32.00).

I would like to make a unit take up the size of the white grid of world editor. Its 4x4 in pathing map and 128x128 in WE units.

I wish Blizzard just used one kind of unit of measurement for everything.

 

[DeadZero]

I think what you're looking for is...

Pathing - Collision Size: 128
Pathing - Pathing Map: Workshop, Arcane Sanctum, Barracks, Arcane Vault, Barracks, Bestiary, Spirit Lounge Tauren Totem, Voodoo Lounge, ...

I think you figured out the first one, but the second can be found in the Pathing - Pathing Map of any one of the units listed there (just Copy and Paste Field Value)
That's for structures, non-structure units take up a circular space.