• Flux Documentation: https://docs.flux.ai/Introduction/the-flux-method
• Documentation Search Results: https://docs.flux.ai/?s=upload%20custom%20STEP%20file%20to%20footprint
• Flux User Community: https://www.flux.ai/p/slack-community

Assets – The Assets panel is where external files live, such as SVGs to use as custom symbols, or 3D models.
Source: Flux Schematic Inspector

Inspector
The Layout Inspector panel on the right side shows contextual information about the selected object. When nothing is selected, the inspector shows document-level information like the description, layout rules, and other properties.