Best method for removing part of a mesh

I’m trying improve my skills and workflow on taking a mesh and modifying it for my needs. On this particular part (See image 1) I am tring to remove the raised numbering. I’ve tried trimming the mesh, i’ve tried booleans and I have tried collapsing by edge, face and vertices.

Creating a plane and then using that to trim or slpit seems to do the job but then I’ am left with the numbering flat on the surface (See image 2).Then I can use the collapse commands to very slowly remove these artifacts.

There must be a better way. Right?

sand-paper-holder.stl (488.0 KB)

Hi @Thomas_Richardson, below is one way to do it:

Import the stl file, choose 22 degrees for the weld angle as shown in below dialog:

In the Front view, run the command _DeleteFaces and window-select the raised text plus the litle planar faces indicated with the red arrow in below image:

Using _ShowEdges command on your remaining mesh will show you one large planar hole:

Run the _FillMeshHole command and click on one of the naked edges of the hole to close it. To fix the mesh normals run _RebuildMeshand export as stl.

sand-paper-holder_cg.stl (148.7 KB)

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That worked great. Thank you for that help!