Repair workflow
How to repair an STL without losing the shape you need
A practical workflow for diagnosing a broken STL, choosing Safe repair or Solid rebuild, and checking the exported result before printing.
Read articleLearn without uploading a file. These guides explain the same private inspection and repair controls used in the workspace.
The repair notebook
Understand the fix.
Keep the detail.
Practical answers for the moments when a mesh opens, but doesn’t look ready to print.
First repair? Follow the interactive STL tutorial →Mesh diagnosis
Non-manifold STL errors: what they mean and what to fix
Understand open edges, shared edges, broken vertex connections, and internal shells before choosing how to repair your STL.
Read articleRepair quality
Why Solid Rebuild can lose detail, and how to judge the result
Understand voxel resolution, surface deviation, thin walls, and the checks that matter when rebuilding a damaged detailed STL.
Read articleFile formats
STL, OBJ, and 3MF: what survives a mesh repair?
Learn what Fix3DFile imports from STL, experimental OBJ, and experimental 3MF, including units, assembly transforms, and export limitations.
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