FreeCAD: Pipe Sweeps, Dune Buggy chassis, Part 2: Sweeps

FreeCAD Pipe Sweep is a powerful command. You can sweep just about anything. A sketch segment, multiple segments, the edge of a solid, the edge of a shape binder. You can sweep a profile on a path from another body inside another part.
The dragging and dropping of sketches out of then back into a body to use the reference geometry command (which only seems to work inside an assembly) works beautifully with sweeps. Often it requires just one coincident constraint at an origin point.
The use of solid body edges to sweep makes things much easier too. To change the shape of a solid is much easier than locating LCS's, planes and sketches, and making sure everything stays connected. This model would be a complicated, hard to understand, ready to explode mess, without building it on the solids shapes. Also, faces where you'd like shape binders for profiles to sit can be built into the solid frame.
When sweeping a multi segment sketch: select the profile sketch, then select the path sketch from the feature tree, not off the screen. It will sweep it all at once, as apposed to Add Edge, clicking on a segment, Add Edge, for every segment, when clicking the screen.

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