scripts-blender/addons/brushstroke_tools/utils.py

@@ -348,6 +348,19 @@ def get_flow_object(bs):
 def set_flow_object(bs, ob):
     if not bs:
         return
+    # assign flow pointer
+    for mod in bs.modifiers:
+        mod_info = bs.modifier_info.get(mod.name)
+        if not mod_info:
+            continue
+        for s in mod_info.socket_info:
+            if not s.link_context:
+                continue
+            if not s.link_context_type == 'FLOW_OBJECT':
+                continue
+            mod[s.name] = ob
+    ob.update_tag()
+
     bs['BSBST_flow_object'] = ob
 
 def context_brushstrokes(context):