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index 1fdb62f80..7adaf7597 100644
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diff --git a/src/components/CustomIcon.tsx b/src/components/CustomIcon.tsx
index 292aea011..bd4edfa3b 100644
--- a/src/components/CustomIcon.tsx
+++ b/src/components/CustomIcon.tsx
@@ -538,6 +538,16 @@ const CustomIconMap = {
       />
     </svg>
   ),
+  helix: (
+    <svg viewBox="0 0 20 20" fill="none" xmlns="http://www.w3.org/2000/svg">
+      <path
+        fillRule="evenodd"
+        clipRule="evenodd"
+        d="M12.3796 6.35525C10.6758 5.64945 8.44129 5.27796 6.92519 5.64172C6.15726 5.82597 5.7318 6.05228 5.55779 6.21295C5.76304 6.32354 6.2288 6.43945 7.03653 6.43302C7.87009 6.42638 8.9975 6.29045 10.4229 5.9501L10.6551 6.92275C9.17724 7.27564 7.9725 7.42559 7.04449 7.43298C6.14216 7.44017 5.42343 7.31395 4.98579 7.03617C4.75792 6.89153 4.53857 6.65945 4.50435 6.32695C4.47054 5.99852 4.63374 5.72683 4.81912 5.53684C5.17998 5.16702 5.83926 4.87389 6.69188 4.66932C8.48928 4.23806 10.9508 4.68095 12.7623 5.43139C13.669 5.80697 14.4784 6.28567 14.9739 6.82869C15.2234 7.10197 15.4238 7.42493 15.4827 7.78937C15.5448 8.1741 15.4392 8.54567 15.1831 8.86785C14.9896 9.11133 14.6502 9.31092 14.327 9.47089C14.1575 9.55477 13.9707 9.63785 13.7736 9.71907C14.257 9.99254 14.6732 10.2984 14.9739 10.6279C15.2234 10.9011 15.4238 11.2241 15.4827 11.5885C15.5448 11.9733 15.4392 12.3448 15.1831 12.667C14.9896 12.9105 14.6502 13.1101 14.327 13.2701C14.1575 13.3539 13.9707 13.437 13.7735 13.5182C14.3755 13.8587 14.8991 14.2636 15.2067 14.7211L14.3767 15.2789C14.1912 15.0029 13.8109 14.6842 13.2483 14.3702C13.0112 14.2378 12.7496 14.1107 12.4694 13.9913C11.8027 14.2087 11.1417 14.3953 10.6642 14.5188L10.6552 14.5212L10.6551 14.5211C9.17724 14.874 7.9725 15.0239 7.04449 15.0313C6.14216 15.0385 5.42343 14.9123 4.98579 14.6345C4.75792 14.4899 4.53857 14.2578 4.50435 13.9253C4.47054 13.5969 4.63374 13.3252 4.81912 13.1352C5.17998 12.7653 5.83926 12.4722 6.69188 12.2677C8.12302 11.9243 9.96538 12.1368 11.5511 12.6039C11.5872 12.6145 11.6233 12.6253 11.6593 12.6363L10.0638 13.2745C8.93153 13.0645 7.80454 13.0291 6.92519 13.2401C6.15727 13.4243 5.73181 13.6506 5.5578 13.8113C5.76305 13.9219 6.2288 14.0378 7.03653 14.0313C7.8692 14.0247 8.99509 13.8891 10.4183 13.5495C10.5419 13.5175 10.678 13.4812 10.8233 13.4412C10.8184 13.4399 10.8134 13.4387 10.8085 13.4374L12.6 12.9L12.5922 12.8948C12.6584 12.8718 12.7243 12.8485 12.7894 12.825C13.2047 12.6754 13.5845 12.5217 13.8834 12.3738C14.2059 12.2142 14.359 12.0967 14.4003 12.0448C14.4964 11.9239 14.509 11.832 14.4955 11.748C14.4786 11.6437 14.4094 11.4927 14.2353 11.302C13.8963 10.9305 13.2766 10.536 12.4694 10.1921C11.8027 10.4096 11.1417 10.5962 10.6642 10.7197L10.6552 10.722L10.6551 10.7219C9.17724 11.0748 7.9725 11.2248 7.04449 11.2322C6.14216 11.2393 5.42343 11.1131 4.98579 10.8353C4.75792 10.6907 4.53857 10.4586 4.50435 10.1261C4.47054 9.79768 4.63374 9.526 4.81912 9.33601C5.17998 8.96618 5.83926 8.67306 6.69188 8.46848C8.14467 8.11991 10.0313 8.34242 11.6579 8.83682L10.0624 9.47503C8.9375 9.26666 7.80922 9.22878 6.92519 9.44089C6.15726 9.62514 5.7318 9.85144 5.55779 10.0121C5.76304 10.1227 6.2288 10.2386 7.03653 10.2322C7.86921 10.2255 8.9951 10.0899 10.4183 9.75035C10.542 9.71834 10.6781 9.68201 10.8235 9.64197L10.8072 9.63784L12.6 9.1L12.593 9.09536C12.659 9.0724 12.7245 9.04921 12.7894 9.02583C13.2047 8.87627 13.5845 8.72256 13.8834 8.57464C14.2059 8.41505 14.359 8.29757 14.4003 8.24564C14.4964 8.1247 14.509 8.0328 14.4955 7.94882C14.4786 7.84455 14.4094 7.69357 14.2353 7.50279C13.8839 7.11769 13.2307 6.7078 12.3796 6.35525ZM5.47539 9.95537C5.47546 9.95536 5.47623 9.95615 5.47745 9.95779C5.47592 9.9562 5.47531 9.95538 5.47539 9.95537ZM5.49369 10.0846C5.49289 10.0866 5.49232 10.0876 5.49223 10.0876C5.49215 10.0877 5.49255 10.0866 5.49369 10.0846ZM5.47539 13.7545C5.47546 13.7545 5.47623 13.7553 5.47745 13.757C5.47592 13.7554 5.47531 13.7546 5.47539 13.7545ZM5.49369 13.8838C5.49289 13.8858 5.49232 13.8868 5.49223 13.8868C5.49215 13.8868 5.49255 13.8858 5.49369 13.8838ZM5.47539 6.1562C5.47546 6.15619 5.47623 6.15698 5.47745 6.15862C5.47592 6.15704 5.47531 6.15622 5.47539 6.1562ZM5.49369 6.28544C5.49289 6.28746 5.49232 6.28848 5.49223 6.28848C5.49215 6.28849 5.49255 6.28748 5.49369 6.28544Z"
+        fill="currentColor"
+      />
+    </svg>
+  ),
   hole: (
     <svg
       viewBox="0 0 20 20"
diff --git a/src/lib/operations.ts b/src/lib/operations.ts
index 163abf8d6..4df720259 100644
--- a/src/lib/operations.ts
+++ b/src/lib/operations.ts
@@ -19,6 +19,10 @@ const stdLibMap: Record<string, StdLibCallInfo> = {
     label: 'Fillet',
     icon: 'fillet3d',
   },
+  helix: {
+    label: 'Helix',
+    icon: 'helix',
+  },
   hole: {
     label: 'Hole',
     icon: 'hole',
diff --git a/src/lib/toolbar.ts b/src/lib/toolbar.ts
index 16ba8d779..2701fc672 100644
--- a/src/lib/toolbar.ts
+++ b/src/lib/toolbar.ts
@@ -209,6 +209,15 @@ export const toolbarConfig: Record<ToolbarModeName, ToolbarMode> = {
         description: 'Create a hole in a 3D solid.',
         links: [],
       },
+      {
+        id: 'helix',
+        onClick: () => console.error('Helix not yet implemented'),
+        icon: 'helix',
+        status: 'kcl-only',
+        title: 'Helix',
+        description: 'Create a helix or spiral in 3D about an axis.',
+        links: [{ label: 'KCL docs', url: 'https://zoo.dev/docs/kcl/helix' }],
+      },
       'break',
       [
         {