Comparison zw3d vs inventor,They have a lot in common.the Invertor software come from autodesk. Autodesk® Inventor® 3D CAD software offers an easy-to-use set of tools for 3D mechanical design, documentation, and product simulation.
There are several ways to change the autocad label text size.
1. Open the label style editor with DST order > > select text label > >there are "text height" option, enter the height you want and it can be set up