This parametric model allows you to customize hopper.
You can also manufacture this model.
If you are not able to use parametric options, i can send you design files that you desire for this model. Just send me a message.
STL (Stereolithography, filesize: 2.12 MB), IAM (Autodesk Inventor, filesize: 4.24 MB), IGE (IGES, filesize: 2.12 MB), STP (STEP, filesize: 2.12 MB)