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Master Parameters & Formulas – Stop redrawing models from scratch! Learn to build smart designs that change instantly: https://learn3dcad.com/freecad-mini-course-parameters-in-action/ Design a Phone Stand (Step-by-Step) – A complete project from zero to 3D print. Perfect for beginners: https://learn3dcad.com/freecad-course-phone-stand/ Why get these? No ads. Clear path to success. Download instantly and keep forever. MY CAD & 3D PRINTING GEAR (Affiliate Links): (Disclaimer: As an Amazon Associate I earn from qualifying purchases.) Workstation & Accessories: • Budget Workstation (Mac Mini M4): https://amzn.to/4iRDhTN • Mouse (Logitech MX Master 3S): https://amzn.to/3YlemP2 • Keyboard (Logitech MX Keys): https://amzn.to/3KPVxAq 3D Printing: • Reliable Filament: https://amzn.to/4pWLs3t Essential Tools: • Digital Caliper (Budget option): https://amzn.to/4rQsyNq Do you want to create complex, flowing 3D shapes that taper or change size along a curve? In this FreeCAD tutorial, I will show you how to master the Additive Pipe operation (often called a Sweep in other CAD software) to create a unique part that simple extrusion cannot handle. We start by sketching a base profile and a path using a Polyline with fillets. You will learn the critical skill of creating a Datum Plane (Normal to Edge) to place a sketch perpendicular to the end of a path—a technique essential for advanced modeling. Finally, we unlock the power of the Multisection mode in the Additive Pipe tool, allowing us to morph from a 15mm circle to a 2mm circle smoothly along a complex curve. I also cover how to troubleshoot constraint errors manually if the automatic constraints fail.
