1b-agent/OneCAD
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Sheet metal Fold (SheetMetalFoldCmd): fold the base panel along a sketch line (followed when the sketch changes) or two points on its face; angle, bend radius and K-factor from the rule; the bend zone (BA = θ(R + K·T)) comes out of the existing sheet so the flat pattern keeps its size; the line at the bend's centre, start, end or on the mould line; the side holding a picked point stays (default the larger), flip folds down; flanges on the moving part ride along

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Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
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bherbruckandClaude Opus 5.5 committed 2026-10-08 11:37:33 +00:00
1 parent 4ae4b45d91
commit 9f8915996d
9 files changed
+327
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crates/doc/src/document.rs
+30
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@@ -460,6 +460,28 @@ pub enum FeatureKind {
#[serde(default, skip_serializing_if = "Option::is_none")]
body: Option<String>,
},
/// Fold a sheet along a line on its base face: a sketch line (followed when the sketch
/// changes), else the points `a`, `b`.
SheetFold {
#[serde(default, skip_serializing_if = "Option::is_none")]
sketch: Option<u64>,
#[serde(default, skip_serializing_if = "Option::is_none")]
curve: Option<String>,
a: Vec3,
b: Vec3,
angle: String,
#[serde(default, skip_serializing_if = "Option::is_none")]
radius: Option<String>,
/// centerline | start | end | mould
position: String,
#[serde(default, skip_serializing_if = "std::ops::Not::not")]
flip: bool,
/// A point on the side that stays put (default: the larger side).
#[serde(default, skip_serializing_if = "Option::is_none")]
fixed: Option<Vec3>,
#[serde(default, skip_serializing_if = "Option::is_none")]
body: Option<String>,
},
/// Unfold a sheet body flat (all bends), or refold it.
SheetUnfold {
#[serde(default, skip_serializing_if = "Option::is_none")]
@@ -742,6 +764,7 @@ impl FeatureKind {
| FeatureKind::SheetContour { .. }
| FeatureKind::SheetFlange { .. }
| FeatureKind::SheetHem { .. }
| FeatureKind::SheetFold { .. }
| FeatureKind::SheetUnfold { .. }
| FeatureKind::SheetConvert { .. }
)
@@ -787,6 +810,7 @@ impl FeatureKind {
FeatureKind::SheetContour { .. } => "ContourFlangeFeature",
FeatureKind::SheetFlange { .. } => "EdgeFlangeFeature",
FeatureKind::SheetHem { .. } => "HemFeature",
FeatureKind::SheetFold { .. } => "FoldFeature",
FeatureKind::SheetUnfold { refold: false, .. } => "UnfoldFeature",
FeatureKind::SheetUnfold { .. } => "RefoldFeature",
FeatureKind::SheetConvert { .. } => "ConvertToSheetMetalFeature",
@@ -840,6 +864,7 @@ impl FeatureKind {
FeatureKind::SheetContour { .. } => "ContourFlange",
FeatureKind::SheetFlange { .. } => "EdgeFlange",
FeatureKind::SheetHem { .. } => "Hem",
FeatureKind::SheetFold { .. } => "Fold",
FeatureKind::SheetUnfold { refold: false, .. } => "Unfold",
FeatureKind::SheetUnfold { .. } => "Refold",
FeatureKind::SheetConvert { .. } => "ConvertToSheetMetal",
@@ -946,6 +971,10 @@ impl FeatureKind {
v.extend([height.as_str(), angle]);
v.extend(radius.iter().map(String::as_str));
}
FeatureKind::SheetFold { angle, radius, .. } => {
v.push(angle);
v.extend(radius.iter().map(String::as_str));
}
FeatureKind::SheetHem { length, gap, .. } => {
v.push(length);
v.extend(gap.iter().map(String::as_str));
@@ -1275,6 +1304,7 @@ impl Document {
FeatureKind::Pattern { pattern: PatternKind::Path { path_sketch, .. }, .. } if *path_sketch == id => gone.push(f.id),
FeatureKind::Emboss { sketch, .. } | FeatureKind::Rib { sketch, .. } if *sketch == id => gone.push(f.id),
FeatureKind::SheetBase { sketch, .. } | FeatureKind::SheetContour { sketch, .. } if *sketch == id => gone.push(f.id),
FeatureKind::SheetFold { sketch: Some(s), .. } if *s == id => gone.push(f.id),
_ => {}
}
}