Reverse complete helix geometry and preserve top radius semantics

src/modules/draw/draw/helix.rs

@@ -134,7 +134,7 @@ impl HelixCommand {
         let start = self.center + start_direction * curve.base_radius;
         helix.start_point = Vector3::new(start.x, start.y, start.z);
         helix.axis_vector = Vector3::new(axis.x, axis.y, axis.z);
-        helix.radius = curve.base_radius;
+        helix.radius = curve.top_radius;
         helix.turns = curve.turns;
         helix.turn_height = height / curve.turns;
         helix.handedness = self.counter_clockwise;

src/modules/draw/modify/reverse.rs

@@ -76,6 +76,7 @@ impl ReverseCommand {
                 Some(EntityType::Polyline3D(out))
             }
             EntityType::Spline(sp) => Some(EntityType::Spline(reverse_spline(sp))),
+            EntityType::Helix(helix) => crate::entities::helix::reversed(helix).map(EntityType::Helix),
             _ => None,
         }
     }
@@ -199,7 +200,7 @@ impl CadCommand for ReverseCommand {
     }
 
     fn prompt(&self) -> String {
-        t!("REVERSE  Select line, polyline or spline to reverse:").into_owned()
+        t!("REVERSE  Select line, polyline, spline or helix to reverse:").into_owned()
     }
 
     fn needs_entity_pick(&self) -> bool {