maxs Takes three XYZ values to position the 'far top right' corner (facing towards positive X of entity alignment) as an offset from the entity origin. Must be used with, and values must be higher than, those in mins.
Example: maxs 8 5 7 (sets top corner coord to +8 +5 +7 offset from the origin.
The spawnarg noclipmodel must remain at the default 0 (zero) or this maxs spawnarg is ineffective.
Making a dedicated collision model should always be prefered over using this method.