Thanks to Dave, I know about the Eneroth Upright Extruder used in combination with the Dave Method. The attached file is already scaled up 1000x.
Extruding the profile below along an arc I expect the profile at both ends of the extrusion to be aligned with the coordinate axes so that the resulting extrusion sits “flat” against a plane described by the Red-Blue axes. In attempt #1 the UE stops just short of bringing the end profile into the plane. In attempt #2, I added 10º to the original arc and extruded again,. Then I subtracted using a rectangular solid to get both profile ends “flat”. The resulting end is slightly twisted. Any idea what I am doing wrong?
Wireframe showing desired position of curve and profiles.
Essentially, the curve is inscribed on the inside of a cylinder.
Bare curve with profile to be extruded.
Attempt # 1 with line in Red axis illustrating the unexpected end profile alignment
Attempt # 2 extruding through an additional 10º, then trimmed flat using a rectangular solid with solid tools ‘Subtract’. With line in Red axis illustrating the “twist” present in the end profile.ComponentDrawingFile.skp (7.7 MB)