Using Substance Painter to export deformed mesh from an mapped image file to 3D printer

Question

Have a question that I have not been able to find a workflow that works.  When we are designing plastic parts, they typcially have a Mold-Tech texture on them that is very small in details.   We also have a Stratasys J826 3D color printer that can print both colors and textures on printed parts.  Grabcad is supposed to be able to print textures from Bump Maps but that is currently not working so I have been trying to do it with a deformed mesh.   I have been trying to use the "Export Mesh" command in Painter to export the deformed mesh that is on the OBJ files that I imported.   The mesh will create millions of triangles but the mesh is still very coarse.   I'm assuming that the UV's are not dense enough to be able to replicate the very dense texture but I can't figure out how to increase the density of the UV's since the trial part I am doing is simply a flat plate.

nailakhan_5170 · Answer

Yeah, getting those fine textures to show up properly can be tricky, especially with coarse mesh output. I’ve run into something similar when working with detailed prints. Sometimes the slicer makes a big difference in how much surface detail actually comes through. Might be worth looking into how orca slicer vs cura handle dense textures — there are some subtle differences in how they interpret and process complex geometry. Hope you find a solid workaround!

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