diff --git a/macros/specctra_derive/src/lib.rs b/macros/specctra_derive/src/lib.rs
index da06f39..a2f4e61 100644
--- a/macros/specctra_derive/src/lib.rs
+++ b/macros/specctra_derive/src/lib.rs
@@ -27,9 +27,5 @@ fn attr_content(attrs: &Vec<Attribute>, name: &str) -> Option<String> {
     attrs
         .iter()
         .find(|attr| attr.path().is_ident(name))
-        .and_then(|attr| Some(attr
-            .parse_args::<LitStr>()
-            .expect("string literal")
-            .value()
-        ))
+        .and_then(|attr| Some(attr.parse_args::<LitStr>().expect("string literal").value()))
 }
diff --git a/macros/specctra_derive/src/read.rs b/macros/specctra_derive/src/read.rs
index b38da66..c34cc51 100644
--- a/macros/specctra_derive/src/read.rs
+++ b/macros/specctra_derive/src/read.rs
@@ -1,11 +1,11 @@
 use proc_macro2::TokenStream;
 use quote::quote;
-use syn::{Data, DeriveInput, Fields, Field};
-use syn::Type::Path;
 use syn::ext::IdentExt;
+use syn::Type::Path;
+use syn::{Data, DeriveInput, Field, Fields};
 
-use crate::attr_present;
 use crate::attr_content;
+use crate::attr_present;
 
 pub fn impl_read(input: &DeriveInput) -> TokenStream {
     let name = &input.ident;
@@ -24,26 +24,22 @@ pub fn impl_read(input: &DeriveInput) -> TokenStream {
 
 fn impl_body(data: &Data) -> TokenStream {
     match data {
-        Data::Struct(data) => {
-            match &data.fields {
-                Fields::Named(fields) => {
-                    let fields = fields.named.iter().map(|field| {
-                        impl_field(field)
-                    });
+        Data::Struct(data) => match &data.fields {
+            Fields::Named(fields) => {
+                let fields = fields.named.iter().map(|field| impl_field(field));
 
-                    quote! {
-                        Ok(Self {
-                            #(#fields)*
-                        })
-                    }
+                quote! {
+                    Ok(Self {
+                        #(#fields)*
+                    })
                 }
-                _ => unimplemented!()
             }
-        }
+            _ => unimplemented!(),
+        },
         Data::Enum(_data) => {
             todo!();
         }
-        _ => unimplemented!()
+        _ => unimplemented!(),
     }
 }
 
@@ -71,7 +67,7 @@ fn impl_field(field: &Field) -> TokenStream {
                 if ident == "Option" {
                     return quote! {
                         #name: tokenizer.read_optional(stringify!(#name_str))?,
-                    }
+                    };
                 }
             }
         }
@@ -81,4 +77,3 @@ fn impl_field(field: &Field) -> TokenStream {
         }
     }
 }
-
diff --git a/src/autorouter/autorouter.rs b/src/autorouter/autorouter.rs
index 4fd5438..dfa7f5a 100644
--- a/src/autorouter/autorouter.rs
+++ b/src/autorouter/autorouter.rs
@@ -5,11 +5,7 @@ use thiserror::Error;
 
 use crate::{
     board::{mesadata::AccessMesadata, Board},
-    drawing::{
-        band::BandTermsegIndex,
-        dot::FixedDotIndex,
-        Infringement,
-    },
+    drawing::{band::BandTermsegIndex, dot::FixedDotIndex, Infringement},
     layout::via::ViaWeight,
     router::{navmesh::NavmeshError, RouterError, RouterOptions},
     triangulation::GetTrianvertexNodeIndex,
@@ -99,7 +95,10 @@ impl<M: AccessMesadata> Autorouter<M> {
         Ok(())
     }
 
-    pub fn place_via(&self, weight: ViaWeight) -> Result<PlaceViaExecutionStepper, AutorouterError> {
+    pub fn place_via(
+        &self,
+        weight: ViaWeight,
+    ) -> Result<PlaceViaExecutionStepper, AutorouterError> {
         PlaceViaExecutionStepper::new(weight)
     }
 
diff --git a/src/autorouter/command.rs b/src/autorouter/command.rs
index d56fec7..25f3b2f 100644
--- a/src/autorouter/command.rs
+++ b/src/autorouter/command.rs
@@ -44,9 +44,9 @@ impl ExecutionStepper {
                 match autoroute.step(&mut invoker.autorouter)? {
                     AutorouteStatus::Running => InvokerStatus::Running,
                     AutorouteStatus::Routed(..) => InvokerStatus::Running,
-                    AutorouteStatus::Finished => InvokerStatus::Finished(
-                        "finished autorouting".to_string(),
-                    ),
+                    AutorouteStatus::Finished => {
+                        InvokerStatus::Finished("finished autorouting".to_string())
+                    }
                 }
             }
             ExecutionStepper::PlaceVia(place_via) => {
@@ -70,10 +70,7 @@ impl ExecutionStepper {
             }
             ExecutionStepper::MeasureLength(measure_length) => {
                 let length = measure_length.doit(&mut invoker.autorouter)?;
-                InvokerStatus::Finished(format!(
-                    "Total length of selected bands: {}",
-                    length
-                ))
+                InvokerStatus::Finished(format!("Total length of selected bands: {}", length))
             }
         })
     }
diff --git a/src/autorouter/ratsnest.rs b/src/autorouter/ratsnest.rs
index 9cdae3b..61cc7dd 100644
--- a/src/autorouter/ratsnest.rs
+++ b/src/autorouter/ratsnest.rs
@@ -89,7 +89,8 @@ impl Ratsnest {
         for layer in 0..layout.drawing().layer_count() {
             let mut handle_rvw = |maybe_net: Option<usize>, vertex: RatvertexIndex, pos: Point| {
                 if let Some(net) = maybe_net {
-                    triangulations.entry((layer, net))
+                    triangulations
+                        .entry((layer, net))
                         .or_insert_with(|| Triangulation::new(node_bound))
                         .add_vertex(RatvertexWeight { vertex, pos })?;
                 }
diff --git a/src/drawing/drawing.rs b/src/drawing/drawing.rs
index 17873ca..87715c2 100644
--- a/src/drawing/drawing.rs
+++ b/src/drawing/drawing.rs
@@ -927,12 +927,15 @@ impl<CW: Copy, R: AccessRules> Drawing<CW, R> {
     fn test_if_looses_dont_infringe_each_other(&self) -> bool {
         !self
             .primitive_nodes()
-            .filter(|node| matches!(node,
-                PrimitiveIndex::LooseDot(..)
-                | PrimitiveIndex::LoneLooseSeg(..)
-                | PrimitiveIndex::SeqLooseSeg(..)
-                | PrimitiveIndex::LooseBend(..)
-            ))
+            .filter(|node| {
+                matches!(
+                    node,
+                    PrimitiveIndex::LooseDot(..)
+                        | PrimitiveIndex::LoneLooseSeg(..)
+                        | PrimitiveIndex::SeqLooseSeg(..)
+                        | PrimitiveIndex::LooseBend(..)
+                )
+            })
             .any(|node| {
                 self.find_infringement(
                     node,
@@ -944,12 +947,15 @@ impl<CW: Copy, R: AccessRules> Drawing<CW, R> {
                                 None
                             }
                         })
-                        .filter(|primitive_node| matches!(primitive_node,
-                            PrimitiveIndex::LooseDot(..)
-                            | PrimitiveIndex::LoneLooseSeg(..)
-                            | PrimitiveIndex::SeqLooseSeg(..)
-                            | PrimitiveIndex::LooseBend(..)
-                        )),
+                        .filter(|primitive_node| {
+                            matches!(
+                                primitive_node,
+                                PrimitiveIndex::LooseDot(..)
+                                    | PrimitiveIndex::LoneLooseSeg(..)
+                                    | PrimitiveIndex::SeqLooseSeg(..)
+                                    | PrimitiveIndex::LooseBend(..)
+                            )
+                        }),
                 )
                 .is_some()
             })
diff --git a/src/geometry/geometry.rs b/src/geometry/geometry.rs
index f12fc74..3831c46 100644
--- a/src/geometry/geometry.rs
+++ b/src/geometry/geometry.rs
@@ -434,10 +434,7 @@ impl<
                     GeometryLabel::Joined
                 )
             })
-            .map(|ni| {
-                self.primitive_weight(ni)
-                    .retag(ni)
-            })
+            .map(|ni| self.primitive_weight(ni).retag(ni))
     }
 
     pub fn seg_joints(&self, seg: SI) -> (DI, DI) {
diff --git a/src/layout/poly.rs b/src/layout/poly.rs
index f124607..8e5ddb7 100644
--- a/src/layout/poly.rs
+++ b/src/layout/poly.rs
@@ -37,7 +37,8 @@ impl<'a, R: AccessRules> Poly<'a, R> {
     }
 
     fn is_apex(&self, dot: FixedDotIndex) -> bool {
-        !self.layout
+        !self
+            .layout
             .drawing()
             .primitive(dot)
             .segs()
diff --git a/src/math.rs b/src/math.rs
index 0489458..64fee5d 100644
--- a/src/math.rs
+++ b/src/math.rs
@@ -86,7 +86,8 @@ fn cast_point_to_canonical_line(pt: Point, line: CanonicalLine) -> Point {
             / (line.a * line.a + line.b * line.b),
         (line.a * (-line.b * pt.x() + line.a * pt.y()) - line.b * line.c)
             / (line.a * line.a + line.b * line.b),
-    ).into()
+    )
+        .into()
 }
 
 fn tangent_point_pairs(
diff --git a/src/router/astar.rs b/src/router/astar.rs
index eab2214..3c49fbe 100644
--- a/src/router/astar.rs
+++ b/src/router/astar.rs
@@ -197,10 +197,8 @@ where
 
         let zero_score = K::default();
         this.scores.insert(start, zero_score);
-        this.visit_next.push(MinScored(
-            strategy.estimate_cost(&this.graph, start),
-            start,
-        ));
+        this.visit_next
+            .push(MinScored(strategy.estimate_cost(&this.graph, start), start));
         this
     }
 }
diff --git a/src/router/draw.rs b/src/router/draw.rs
index 74185eb..da1ad00 100644
--- a/src/router/draw.rs
+++ b/src/router/draw.rs
@@ -131,9 +131,7 @@ impl<'a, R: AccessRules> Draw<'a, R> {
         let tangent = self
             .guide()
             .head_around_bend_segment(&head, around, cw, width)?;
-        let offset = self
-            .guide()
-            .head_around_bend_offset(&head, around, width);
+        let offset = self.guide().head_around_bend_offset(&head, around, width);
 
         self.cane_around(
             head,
diff --git a/src/specctra/design.rs b/src/specctra/design.rs
index 51bc81e..30f14e2 100644
--- a/src/specctra/design.rs
+++ b/src/specctra/design.rs
@@ -39,7 +39,6 @@ pub enum LoadingError {
     Parse(#[from] read::ParseErrorContext),
 }
 
-
 /// This struct is responsible for managing the various Specctra components of a PCB design,
 /// including parsing the DSN file, handling the resolution, unit of measurement,
 /// and organizing the PCB's structure, placement, library, network, and wiring.
@@ -68,16 +67,16 @@ impl SpecctraDesign {
     pub fn get_name(&self) -> &str {
         &self.pcb.name
     }
-    
+
     /// Writes the Specctra Session (.ses) file format using the current board layout and mesadata.
     ///
     /// This function generates a Specctra SES session file that represents the board's net routing and
-    /// writes it to the provided output stream. The session data includes routed nets, wires, 
+    /// writes it to the provided output stream. The session data includes routed nets, wires,
     /// layers, and other essential information for routing management.
-    pub fn write_ses( 
+    pub fn write_ses(
         &self,
         board: &Board<SpecctraMesadata>,
-	writer: impl std::io::Write,
+        writer: impl std::io::Write,
     ) -> Result<(), std::io::Error> {
         let mesadata = board.mesadata();
         let drawing = board.layout().drawing();
@@ -150,8 +149,8 @@ impl SpecctraDesign {
                         structure::NetOut {
                             name: mesadata.net_netname(net).unwrap().to_owned(),
                             wire: vec![wire],
-                            via: Vec::new()
-			},
+                            via: Vec::new(),
+                        },
                     );
                 }
             }
@@ -193,7 +192,8 @@ impl SpecctraDesign {
         )));
 
         // mapping of pin -> net prepared for adding pins
-        let pin_nets = self.pcb
+        let pin_nets = self
+            .pcb
             .network
             .nets
             .iter()
@@ -229,22 +229,15 @@ impl SpecctraDesign {
                     .unwrap();
 
                 let place_side_is_front = place.side == "front";
-                let get_layer = |board: &Board<SpecctraMesadata>, name: &str| Self::layer(
-                    board,
-                    &self.pcb.structure.layers,
-                    name,
-                    place_side_is_front,
-                );
+                let get_layer = |board: &Board<SpecctraMesadata>, name: &str| {
+                    Self::layer(board, &self.pcb.structure.layers, name, place_side_is_front)
+                };
 
                 for pin in &image.pins {
                     let pinname = format!("{}-{}", place.name, pin.id);
                     let net = pin_nets.get(&pinname).unwrap();
 
-                    let padstack = self
-                        .pcb
-                        .library
-                        .find_padstack_by_name(&pin.name)
-                        .unwrap();
+                    let padstack = self.pcb.library.find_padstack_by_name(&pin.name).unwrap();
 
                     for shape in padstack.shapes.iter() {
                         match shape {
@@ -315,14 +308,11 @@ impl SpecctraDesign {
                 .netname_net(&via.net)
                 .unwrap();
 
-            let padstack = self
-                .pcb
-                .library
-                .find_padstack_by_name(&via.name)
-                .unwrap();
+            let padstack = self.pcb.library.find_padstack_by_name(&via.name).unwrap();
 
-            let get_layer = |board: &Board<SpecctraMesadata>, name: &str|
-                Self::layer(board, &self.pcb.structure.layers, name, true);
+            let get_layer = |board: &Board<SpecctraMesadata>, name: &str| {
+                Self::layer(board, &self.pcb.structure.layers, name, true)
+            };
 
             for shape in &padstack.shapes {
                 match shape {
@@ -692,12 +682,7 @@ impl SpecctraDesign {
         }
     }
 
-    fn pos(
-        place: PointWithRotation,
-        pin: PointWithRotation,
-        x: f64,
-        y: f64,
-    ) -> Point {
+    fn pos(place: PointWithRotation, pin: PointWithRotation, x: f64, y: f64) -> Point {
         let pos = (point! {x: x, y: y} + pin.pos).rotate_around_point(pin.rot, pin.pos);
         (pos + place.pos).rotate_around_point(place.rot, place.pos)
     }
diff --git a/src/specctra/mesadata.rs b/src/specctra/mesadata.rs
index 15eed7c..a16473a 100644
--- a/src/specctra/mesadata.rs
+++ b/src/specctra/mesadata.rs
@@ -1,5 +1,5 @@
 //! Module for handling Specctra's mesadata - design rules, as well as layers
-//! or net properties 
+//! or net properties
 
 use std::collections::HashMap;
 
@@ -16,7 +16,7 @@ use crate::{
 /// the Topola auto-router, in a PCB design process. This struct defines two key design
 /// rules: the width of the trace and the minimum clearance between electrical features.
 pub struct SpecctraRule {
-    /// Specifies the width of the trace (or conductor) in millimeters. 
+    /// Specifies the width of the trace (or conductor) in millimeters.
     /// This value ensures that the traces meet electrical
     /// and mechanical requirements, such as current-carrying capacity or signal integrity.
     pub width: f64,
@@ -42,10 +42,9 @@ impl SpecctraRule {
 /// This struct encapsulates information about rules for individual nets, net classes,
 /// layers, and their corresponding relationships.
 pub struct SpecctraMesadata {
-    
     /// The default routing rule applied globally if no specific net class rule is defined.
     structure_rule: SpecctraRule,
-    
+
     // net class name -> rule
     /// A map from net class names to their specific `SpecctraRule` constraints.
     /// These rules are applied to all nets belonging to the respective net clas
@@ -67,7 +66,6 @@ pub struct SpecctraMesadata {
     net_netclass: HashMap<usize, String>,
 }
 
-
 impl SpecctraMesadata {
     /// Creates a [`SpecctraMesadata`] instance from a given `Pcb` reference.
     ///
@@ -75,10 +73,11 @@ impl SpecctraMesadata {
     /// layer-to-layer name mappings, net-to-net name mappings, and net class rules.
     pub fn from_pcb(pcb: &Pcb) -> Self {
         let layer_layername = BiHashMap::from_iter(
-            pcb.structure.layers
+            pcb.structure
+                .layers
                 .iter()
                 .enumerate()
-                .map(|(index, layer)| (index, layer.name.clone()))
+                .map(|(index, layer)| (index, layer.name.clone())),
         );
 
         // keeping this as a separate iter pass because it might be moved into a different struct later?
@@ -115,7 +114,9 @@ impl SpecctraMesadata {
             if rule.width.is_some() {
                 structure_rule.width = rule.width.unwrap()
             }
-            structure_rule.clearances.extend_from_slice(&rule.clearances);
+            structure_rule
+                .clearances
+                .extend_from_slice(&rule.clearances);
         }
 
         Self {
@@ -129,9 +130,9 @@ impl SpecctraMesadata {
 
     /// Retrieves the Specctra routing rule associated with a specified net ID.
     ///
-    /// This function looks up the routing rule for a given net ID. It first checks if the net is 
-    /// associated with a net class. If a net class is found, it retrieves the corresponding rule 
-    /// from the class rules. If no class is associated, or if the class does not have a defined rule, 
+    /// This function looks up the routing rule for a given net ID. It first checks if the net is
+    /// associated with a net class. If a net class is found, it retrieves the corresponding rule
+    /// from the class rules. If no class is associated, or if the class does not have a defined rule,
     /// it defaults to the general structure rule.
     ///
     pub fn get_rule(&self, net: usize) -> &SpecctraRule {
diff --git a/src/specctra/read.rs b/src/specctra/read.rs
index cc4ee45..130d219 100644
--- a/src/specctra/read.rs
+++ b/src/specctra/read.rs
@@ -38,26 +38,31 @@ pub struct InputToken {
 
 impl InputToken {
     pub fn new(token: ListToken, context: (usize, usize)) -> Self {
-        Self {
-            token,
-            context,
-        }
+        Self { token, context }
     }
 
     pub fn expect_start(self, name: &'static str) -> Result<(), ParseErrorContext> {
-        self.token.expect_start(name).map_err(|err| err.add_context(self.context))
+        self.token
+            .expect_start(name)
+            .map_err(|err| err.add_context(self.context))
     }
 
     pub fn expect_any_start(self) -> Result<String, ParseErrorContext> {
-        self.token.expect_any_start().map_err(|err| err.add_context(self.context))
+        self.token
+            .expect_any_start()
+            .map_err(|err| err.add_context(self.context))
     }
 
     pub fn expect_leaf(self) -> Result<String, ParseErrorContext> {
-        self.token.expect_leaf().map_err(|err| err.add_context(self.context))
+        self.token
+            .expect_leaf()
+            .map_err(|err| err.add_context(self.context))
     }
 
     pub fn expect_end(self) -> Result<(), ParseErrorContext> {
-        self.token.expect_end().map_err(|err| err.add_context(self.context))
+        self.token
+            .expect_end()
+            .map_err(|err| err.add_context(self.context))
     }
 }
 
@@ -191,9 +196,7 @@ impl<R: std::io::BufRead> ListTokenizer<R> {
         }
     }
 
-    fn map_context<T>(&self, result: Result<T, ParseError>)
-         -> Result<T, ParseErrorContext>
-    {
+    fn map_context<T>(&self, result: Result<T, ParseError>) -> Result<T, ParseErrorContext> {
         result.map_err(|err| self.add_context(err))
     }
 
@@ -215,7 +218,8 @@ impl<R: std::io::BufRead> ListTokenizer<R> {
         Ok(if let Some(chr) = self.peeked_char {
             chr
         } else {
-            let chr = self.reader
+            let chr = self
+                .reader
                 .read_char()
                 .transpose()
                 .ok_or(self.add_context(ParseError::Eof))?
@@ -332,7 +336,10 @@ impl<R: std::io::BufRead> ListTokenizer<R> {
         T::read_dsn(self)
     }
 
-    pub fn read_named<T: ReadDsn<R>>(&mut self, name: &'static str) -> Result<T, ParseErrorContext> {
+    pub fn read_named<T: ReadDsn<R>>(
+        &mut self,
+        name: &'static str,
+    ) -> Result<T, ParseErrorContext> {
         self.consume_token()?.expect_start(name)?;
         let value = self.read_value::<T>()?;
         self.consume_token()?.expect_end()?;
diff --git a/src/specctra/structure.rs b/src/specctra/structure.rs
index 58d21a6..b9e6600 100644
--- a/src/specctra/structure.rs
+++ b/src/specctra/structure.rs
@@ -99,9 +99,7 @@ pub struct Structure {
 
 // custom impl to handle layers appearing late
 impl<R: std::io::BufRead> ReadDsn<R> for Structure {
-    fn read_dsn(
-        tokenizer: &mut ListTokenizer<R>,
-    ) -> Result<Self, ParseErrorContext> {
+    fn read_dsn(tokenizer: &mut ListTokenizer<R>) -> Result<Self, ParseErrorContext> {
         let mut value = Self {
             layers: tokenizer.read_named_array("layer")?,
             boundary: tokenizer.read_named("boundary")?,
@@ -111,7 +109,9 @@ impl<R: std::io::BufRead> ReadDsn<R> for Structure {
             rules: tokenizer.read_named_array("rule")?,
         };
 
-        value.layers.append(&mut tokenizer.read_named_array("layer")?);
+        value
+            .layers
+            .append(&mut tokenizer.read_named_array("layer")?);
 
         Ok(value)
     }