diff --git a/lib/check-each-pcb-trace-non-overlapping/check-each-pcb-trace-non-overlapping.ts b/lib/check-each-pcb-trace-non-overlapping/check-each-pcb-trace-non-overlapping.ts
index 8406fb1..87d4b13 100644
--- a/lib/check-each-pcb-trace-non-overlapping/check-each-pcb-trace-non-overlapping.ts
+++ b/lib/check-each-pcb-trace-non-overlapping/check-each-pcb-trace-non-overlapping.ts
@@ -38,8 +38,10 @@ export function checkEachPcbTraceNonOverlapping(
   circuitJson: AnyCircuitElement[],
   {
     connMap,
+    minSpacing = DEFAULT_TRACE_MARGIN,
   }: {
     connMap?: ConnectivityMap
+    minSpacing?: number
   } = {},
 ): PcbTraceError[] {
   const errors: PcbTraceError[] = []
@@ -101,7 +103,7 @@ export function checkEachPcbTraceNonOverlapping(
 
   // For each segment, check it if overlaps with anything collidable
   for (const segmentA of pcbTraceSegments) {
-    const requiredMargin = DEFAULT_TRACE_MARGIN
+    const requiredMargin = minSpacing
     const bounds = getCollidableBounds(segmentA)
     const nearbyObjects = spatialIndex.getObjectsInBounds(
       bounds,
@@ -134,7 +136,7 @@ export function checkEachPcbTraceNonOverlapping(
           ) -
           segmentA.thickness / 2 -
           segmentB.thickness / 2
-        if (gap > DEFAULT_TRACE_MARGIN - EPSILON) continue
+        if (gap > minSpacing - EPSILON) continue
 
         const pcb_trace_error_id = `overlap_${segmentA.pcb_trace_id}_${segmentB.pcb_trace_id}`
         const pcb_trace_error_id_reverse = `overlap_${segmentB.pcb_trace_id}_${segmentA.pcb_trace_id}`
@@ -182,7 +184,7 @@ export function checkEachPcbTraceNonOverlapping(
           { x: obj.x, y: obj.y, radius },
         )
         const gap = distance - segmentA.thickness / 2
-        if (gap > DEFAULT_TRACE_MARGIN - EPSILON) continue
+        if (gap > minSpacing - EPSILON) continue
 
         const pcb_trace_error_id = `overlap_${segmentA.pcb_trace_id}_${primaryObjId}`
         if (errorIds.has(pcb_trace_error_id)) continue
diff --git a/tests/lib/check-each-pcb-trace-non-overlapping/check-each-pcb-trace-non-overlapping.test.ts b/tests/lib/check-each-pcb-trace-non-overlapping/check-each-pcb-trace-non-overlapping.test.ts
index 1adab55..01bc433 100644
--- a/tests/lib/check-each-pcb-trace-non-overlapping/check-each-pcb-trace-non-overlapping.test.ts
+++ b/tests/lib/check-each-pcb-trace-non-overlapping/check-each-pcb-trace-non-overlapping.test.ts
@@ -1,6 +1,11 @@
 import { expect, test, describe } from "bun:test"
 import { checkEachPcbTraceNonOverlapping } from "lib/check-each-pcb-trace-non-overlapping/check-each-pcb-trace-non-overlapping"
-import type { AnySoupElement, PCBTrace, PCBSMTPad } from "circuit-json"
+import type {
+  AnySoupElement,
+  PCBTrace,
+  PCBSMTPad,
+  AnyCircuitElement,
+} from "circuit-json"
 
 describe("checkEachPcbTraceNonOverlapping", () => {
   test("should return no errors when traces don't overlap", () => {
@@ -138,4 +143,70 @@ describe("checkEachPcbTraceNonOverlapping", () => {
     expect(errors[0].message).toContain("overlaps with")
     expect(errors[0].pcb_trace_id).toBe("trace1")
   })
+
+  test("should allow overriding minimum spacing", () => {
+    const circuitJson: AnyCircuitElement[] = [
+      {
+        type: "source_trace",
+        source_trace_id: "trace1",
+        connected_source_port_ids: ["port1", "port2"],
+        connected_source_net_ids: [],
+      },
+      {
+        type: "source_trace",
+        source_trace_id: "trace2",
+        connected_source_port_ids: ["port3", "port4"],
+        connected_source_net_ids: [],
+      },
+      {
+        type: "pcb_trace",
+        pcb_trace_id: "trace1",
+        route: [
+          {
+            route_type: "wire",
+            x: 0,
+            y: 0,
+            width: 0.1,
+            layer: "top",
+            start_pcb_port_id: "port1",
+          },
+          {
+            route_type: "wire",
+            x: 1,
+            y: 0,
+            width: 0.1,
+            layer: "top",
+            end_pcb_port_id: "port2",
+          },
+        ],
+      },
+      {
+        type: "pcb_trace",
+        pcb_trace_id: "trace2",
+        route: [
+          {
+            route_type: "wire",
+            x: 0,
+            y: 0.19,
+            width: 0.1,
+            layer: "top",
+            start_pcb_port_id: "port3",
+          },
+          {
+            route_type: "wire",
+            x: 1,
+            y: 0.19,
+            width: 0.1,
+            layer: "top",
+            end_pcb_port_id: "port4",
+          },
+        ],
+      },
+    ]
+
+    expect(checkEachPcbTraceNonOverlapping(circuitJson)).toHaveLength(1)
+    expect(
+      checkEachPcbTraceNonOverlapping(circuitJson, { minSpacing: 0 }),
+    ).toEqual([])
+  })
 })