...
Reproduce the form from this technical diagram.
Commands:
- draw line; turning on gridsnap makes things easier
- join the line, if it is not a joined line already
- use _fillet to create the round inner edge
- Use extrude Offset to offset the boundary of a curve
- Split and Trim to edit lines, curves and polylines
- Object snap tangent to draw a line from a curve edge
- Extrude to create 3D geometry from 2DUse
- boolean SrfPt to create a non-planar surfaces
- Spit to cut a solid with a surface or curve
- Boolean Union to combine all geometry
- MergeAllFaces to clean up surfaces
