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+# 1) Rename local branch master -> main
+git branch -m master main
+
+# 2) Push local main and overwrite remote main
+git push -u origin main --force
+
+# 3) (Optional) delete remote master branch
+git push origin --delete master
+
+
+#git lfs install
+Sets up Git hooks so LFS works in this repo / user.
+
+bash
+Copy code
+git lfs track "*.step"
+Tells Git: “for all files matching *.step, store them using LFS”.
+
+This writes a .gitattributes file.
+
+Then normal Git workflow:
+
+bash
+Copy code
+git add .gitattributes
+git add model.step
+git commit -m "Add model"
+git push