I want to turn a mesh of an extruded 2d image into a pattern for a mooncake which would require it to have a slope towards the top. I have tried using bevel tool/modifier and that didn't work. Shrink/Fatten got me closer but it made the model too messy to work with. I can't think of anything else.
Edit: Like how subdivision surface will turn a cylinder into a weird looking trapezohedron, I want to use a similar effect to remove the sharp edges from the text and extruded lines.
This is what I started with:
This is what I currently have:
The file is linked here