diff --git a/crates/solidcore/src/blend/fillet_corner/p3.rs b/crates/solidcore/src/blend/fillet_corner/p3.rs
index eb11071f77..5bad3d0b72 100644
--- a/crates/solidcore/src/blend/fillet_corner/p3.rs
+++ b/crates/solidcore/src/blend/fillet_corner/p3.rs
@@ -2127,7 +2127,7 @@ impl FilletCorner {
                         .ok_or_else(|| invalid(OP_TOPO, "m_cpVertex is NULL"))?,
                     self.solver_eus
                         .as_ref()
-                        .and_then(|eus| eus.get(0).copied())
+                        .and_then(|eus| eus.first().copied())
                         .ok_or_else(|| invalid(OP_TOPO, "m_pSolverEUs[0] is NULL"))?,
                     self.solver_eus
                         .as_ref()
diff --git a/crates/solidcore/tests/wr644_mitre_gap_patch.rs b/crates/solidcore/tests/wr644_mitre_gap_patch.rs
index 6a0a2fa875..de7aa0805b 100644
--- a/crates/solidcore/tests/wr644_mitre_gap_patch.rs
+++ b/crates/solidcore/tests/wr644_mitre_gap_patch.rs
@@ -89,11 +89,7 @@ struct Basin {
 impl Basin {
     fn at(self, z: f64) -> [f64; 4] {
         let t = (z - 10.0) / 20.0;
-        let mut r = [0.0; 4];
-        for i in 0..4 {
-            r[i] = self.bottom[i] + (self.top[i] - self.bottom[i]) * t;
-        }
-        r
+        core::array::from_fn(|i| self.bottom[i] + (self.top[i] - self.bottom[i]) * t)
     }
 
     fn build(self, k: &mut Kernel) -> Brep {