diff --git a/src/components/CommandBar/CommandBarSelectionInput.tsx b/src/components/CommandBar/CommandBarSelectionInput.tsx
index 149174c6ec..5dfe4f4d1f 100644
--- a/src/components/CommandBar/CommandBarSelectionInput.tsx
+++ b/src/components/CommandBar/CommandBarSelectionInput.tsx
@@ -91,7 +91,7 @@ function CommandBarSelectionInput({
     <form id="arg-form" onSubmit={handleSubmit}>
       <label
         className={
-          'relative flex items-center mx-4 my-4 ' +
+          'relative flex flex-col mx-4 my-4 ' +
           (!hasSubmitted || canSubmitSelection || 'text-destroy-50')
         }
       >
@@ -100,13 +100,18 @@ function CommandBarSelectionInput({
           : `Please select ${
               arg.multiple ? 'one or more ' : 'one '
             }${getSemanticSelectionType(arg.selectionTypes).join(' or ')}`}
+        {arg.warningMessage && (
+          <p className="text-warn-80 bg-warn-10 px-2 py-1 rounded-sm mt-3 mr-2 -mb-2 w-full text-sm cursor-default">
+            {arg.warningMessage}
+          </p>
+        )}
         <input
           id="selection"
           name="selection"
           ref={inputRef}
           required
           placeholder="Select an entity with your mouse"
-          className="absolute inset-0 w-full h-full opacity-0 cursor-pointer"
+          className="absolute inset-0 w-full h-full opacity-0 cursor-default"
           onKeyDown={(event) => {
             if (event.key === 'Backspace') {
               stepBack()
diff --git a/src/lib/commandBarConfigs/modelingCommandConfig.ts b/src/lib/commandBarConfigs/modelingCommandConfig.ts
index 43f9c4ccd5..0826b28aaf 100644
--- a/src/lib/commandBarConfigs/modelingCommandConfig.ts
+++ b/src/lib/commandBarConfigs/modelingCommandConfig.ts
@@ -281,6 +281,8 @@ export const modelingMachineCommandConfig: StateMachineCommandSetConfig<
         multiple: true,
         required: true,
         skip: false,
+        warningMessage:
+          'Fillets cannot touch other fillets yet. This is under development.',
       },
       radius: {
         inputType: 'kcl',
diff --git a/src/lib/commandTypes.ts b/src/lib/commandTypes.ts
index c9017a21b3..4377002f76 100644
--- a/src/lib/commandTypes.ts
+++ b/src/lib/commandTypes.ts
@@ -113,6 +113,7 @@ export type CommandArgumentConfig<
         commandBarContext: { argumentsToSubmit: Record<string, unknown> }, // Should be the commandbarMachine's context, but it creates a circular dependency
         machineContext?: C
       ) => boolean)
+  warningMessage?: string
   skip?: boolean
   /** For showing a summary display of the current value, such as in
    *  the command bar's header
@@ -189,6 +190,7 @@ export type CommandArgument<
       ) => boolean)
   skip?: boolean
   machineActor?: Actor<T>
+  warningMessage?: string
   /** For showing a summary display of the current value, such as in
    *  the command bar's header
    */
diff --git a/src/lib/createMachineCommand.ts b/src/lib/createMachineCommand.ts
index 729cf6f8ff..8903f2b5f7 100644
--- a/src/lib/createMachineCommand.ts
+++ b/src/lib/createMachineCommand.ts
@@ -152,6 +152,7 @@ export function buildCommandArgument<
     skip: arg.skip,
     machineActor,
     valueSummary: arg.valueSummary,
+    warningMessage: arg.warningMessage ?? '',
   } satisfies Omit<CommandArgument<O, T>, 'inputType'>
 
   if (arg.inputType === 'options') {