Blocks, attributes, external references and components Creating blocksUsing BlockifyEditing blocksInserting blocksExploding blocks2D parametric blocksFuzzy insert guided workflowDynamic blocksDefining attributesWorking with attributesEditing attribute definitionsEditing block attributesInserting blocks with attributesExtracting attribute informationManaging XrefsAttaching an external referenceWorking with external referencesEditing blocks and external referencesWorking with groupsWorking with underlaysComponents and component insertsParent topic: BricsCAD