FreeCAD Laser Cutting Addon Workbench

Just uploaded my latest video tinkering with FreeCAD in which I explore how to install add on workbenches and we install the Laser Cutting Interlocking workbench and take it for a spin using the automated tools for adding interlocking tabs and holes to our models and how to automatically lay out 3d assemblies into 3d parts for export to an SVG.