subst S: X:\ (map USB folder to fixed S: drive) Then open SketchUp from S:\PortableApps\... | Setting | Value | Why | |---------|-------|------| | USB write caching | Enabled (Windows) | Speeds up save operations | | Auto-save interval | 15 minutes | Avoids frequent writes | | Model file size limit | < 50 MB | Large files corrupt on slow USB | | Texture resolution | 1024px max | Reduces file i/o |

Window → Preferences → Files → Models → X:\Projects\ Components → X:\Materials_Components\ Materials → X:\Materials_Components\ | Action | Success Rate | Notes | |--------|--------------|-------| | Edit model on USB | ✅ 100% | File path must match drive letter (or use subst command) | | Use custom materials | ✅ 100% | Use relative paths inside .skp | | Use extensions | ✅ 80% | Some extensions write registry keys → fail | | Keep license active (Pro) | ❌ 0% | Each new PC requires relogin | Fix drive letter mismatch (different PC assigns E: vs F:) Run as admin on host PC: