2.5 cum garbage trolley

[Anonymous]

This one is a small adjustment in library:

Please add option to garbage trolley to make it 2.5 cum.
I know it is easy to edit and I already did, but it should be in default.

parameters a=2.05
parameters b=1.38
parameters zzyzx=1.60
parameters h2=1.40
parameters roll=1.7

See image attached.