diff --git a/lib/elements/element.py b/lib/elements/element.py
index 5c463c539..4ce47c794 100644
--- a/lib/elements/element.py
+++ b/lib/elements/element.py
@@ -27,7 +27,7 @@ from ..utils.cache import get_stitch_plan_cache, is_cache_disabled, CacheKeyGene
 
 class Param(object):
     def __init__(self, name, description, unit=None, values=[], type=None, group=None, inverse=False,
-                 options=[], default=None, tooltip=None, sort_index=0, select_items=None):
+                 options=[], default=None, tooltip=None, sort_index=0, select_items=None, enables=None):
         self.name = name
         self.description = description
         self.unit = unit
@@ -40,6 +40,7 @@ class Param(object):
         self.tooltip = tooltip
         self.sort_index = sort_index
         self.select_items = select_items
+        self.enables = enables
 
     def __repr__(self):
         return "Param(%s)" % vars(self)
diff --git a/lib/elements/fill_stitch.py b/lib/elements/fill_stitch.py
index f65c9c2bb..188c2ad7b 100644
--- a/lib/elements/fill_stitch.py
+++ b/lib/elements/fill_stitch.py
@@ -487,19 +487,20 @@ class FillStitch(EmbroideryElement):
         return max(self.get_float_param("running_stitch_tolerance_mm", 0.2), 0.01)
 
     @property
-    @param('enable_random_stitches',
-           _('Randomize stitches'),
+    @param('enable_random_stitch_length',
+           _('Randomize stitch length'),
            tooltip=_('Randomize stitch length and phase instead of dividing evenly or staggering. '
                      'This is recommended for closely-spaced curved fills to avoid Moiré artefacts.'),
            type='boolean',
+           enables=['random_stitch_length_jitter_percent'],
            select_items=[('fill_method', 'auto_fill'),
                          ('fill_method', 'contour_fill'),
                          ('fill_method', 'guided_fill'),
                          ('fill_method', 'circular_fill')],
            default=False,
            sort_index=44)
-    def enable_random_stitches(self):
-        return self.get_boolean_param('enable_random_stitches', False)
+    def enable_random_stitch_length(self):
+        return self.get_boolean_param('enable_random_stitch_length', False)
 
     @property
     @param('random_stitch_length_jitter_percent',
@@ -1023,7 +1024,7 @@ class FillStitch(EmbroideryElement):
                 ending_point,
                 self.underpath,
                 self.gap_fill_rows,
-                self.enable_random_stitches,
+                self.enable_random_stitch_length,
                 self.random_stitch_length_jitter,
                 self.random_seed,
             )
@@ -1049,7 +1050,7 @@ class FillStitch(EmbroideryElement):
                 self.smoothness,
                 starting_point,
                 self.avoid_self_crossing,
-                self.enable_random_stitches,
+                self.enable_random_stitch_length,
                 self.random_stitch_length_jitter,
                 self.random_seed
             )
@@ -1059,7 +1060,7 @@ class FillStitch(EmbroideryElement):
                 self.max_stitch_length,
                 self.running_stitch_tolerance,
                 starting_point,
-                self.enable_random_stitches,
+                self.enable_random_stitch_length,
                 self.random_stitch_length_jitter,
                 self.random_seed
             )
@@ -1069,7 +1070,7 @@ class FillStitch(EmbroideryElement):
                 self.max_stitch_length,
                 self.running_stitch_tolerance,
                 starting_point,
-                self.enable_random_stitches,
+                self.enable_random_stitch_length,
                 self.random_stitch_length_jitter,
                 self.random_seed
             )
@@ -1110,7 +1111,7 @@ class FillStitch(EmbroideryElement):
                 ending_point,
                 self.underpath,
                 self.guided_fill_strategy,
-                self.enable_random_stitches,
+                self.enable_random_stitch_length,
                 self.random_stitch_length_jitter,
                 self.random_seed,
             )
@@ -1164,7 +1165,7 @@ class FillStitch(EmbroideryElement):
             ending_point,
             self.underpath,
             target,
-            self.enable_random_stitches,
+            self.enable_random_stitch_length,
             self.random_stitch_length_jitter,
             self.random_seed,
         )
diff --git a/lib/elements/stroke.py b/lib/elements/stroke.py
index 0bb18ce8c..1be3953db 100644
--- a/lib/elements/stroke.py
+++ b/lib/elements/stroke.py
@@ -130,16 +130,17 @@ class Stroke(EmbroideryElement):
         return max(self.get_float_param("running_stitch_tolerance_mm", 0.2), 0.01)
 
     @property
-    @param('enable_random_stitches',
-           _('Randomize stitches'),
+    @param('enable_random_stitch_length',
+           _('Randomized stitch length'),
            tooltip=_('Randomize stitch length and phase instead of dividing evenly or staggering. '
                      'This is recommended for closely-spaced curved fills to avoid Moiré artefacts.'),
            type='boolean',
            select_items=[('stroke_method', 'running_stitch'), ('stroke_method', 'ripple_stitch')],
+           enables=['random_stitch_length_jitter_percent'],
            default=False,
            sort_index=5)
-    def enable_random_stitches(self):
-        return self.get_boolean_param('enable_random_stitches', False)
+    def enable_random_stitch_length(self):
+        return self.get_boolean_param('enable_random_stitch_length', False)
 
     @property
     @param('random_stitch_length_jitter_percent',
@@ -490,9 +491,9 @@ class Stroke(EmbroideryElement):
 
         return stitch_group
 
-    def running_stitch(self, path, stitch_length, tolerance, enable_random, random_sigma, random_seed):
+    def running_stitch(self, path, stitch_length, tolerance, enable_random_stitch_length, random_sigma, random_seed):
         # running stitch with repeats
-        stitches = running_stitch(path, stitch_length, tolerance, enable_random, random_sigma, random_seed)
+        stitches = running_stitch(path, stitch_length, tolerance, enable_random_stitch_length, random_sigma, random_seed)
 
         repeated_stitches = []
         # go back and forth along the path as specified by self.repeats
@@ -573,7 +574,7 @@ class Stroke(EmbroideryElement):
                 # running stitch
                 else:
                     stitch_group = self.running_stitch(path, self.running_stitch_length, self.running_stitch_tolerance,
-                                                       self.enable_random_stitches, self.random_stitch_length_jitter, self.random_seed)
+                                                       self.enable_random_stitch_length, self.random_stitch_length_jitter, self.random_seed)
                     # bean stitch
                     if any(self.bean_stitch_repeats):
                         stitch_group.stitches = self.do_bean_repeats(stitch_group.stitches)
diff --git a/lib/extensions/params.py b/lib/extensions/params.py
index ef4dc6168..b4efdc1bd 100644
--- a/lib/extensions/params.py
+++ b/lib/extensions/params.py
@@ -97,7 +97,8 @@ class ParamsTab(ScrolledPanel):
 
         if self.toggle:
             self.update_toggle_state()
-        # end wxGlade
+
+        self.update_enable_widgets()
 
     def pair(self, tab):
         self.paired_tab = tab
@@ -349,6 +350,28 @@ class ParamsTab(ScrolledPanel):
                 widgets[3].Show(True)
             choice["last_initialized_choice"] = current_selection
 
+    def update_enable_widgets(self, event=None):
+        if event is None:
+            for param in self.params:
+                if param.enables is not None:
+                    value = self.param_inputs[param.name].GetValue()
+                    for item in param.enables:
+                        enable_input = self.param_inputs[item]
+                        enable_input.Enable(value)
+                        enable_input.GetPrevSibling().Enable(value)
+        else:
+            input = event.GetEventObject()
+            param = [param for param in self.params if param.name == input.Name]
+            if not param:
+                return
+            param = param[0]
+            if param.enables is not None:
+                value = input.GetValue()
+                for item in param.enables:
+                    enable_input = self.param_inputs[item]
+                    enable_input.Enable(value)
+                    enable_input.GetPrevSibling().Enable(value)
+
     def __do_layout(self, only_settings_grid=False):  # noqa: C901
 
         # just to add space around the settings
@@ -393,7 +416,8 @@ class ParamsTab(ScrolledPanel):
                     input = wx.CheckBox(self)
                     if param.values:
                         input.SetValue(param.values[0])
-
+                input.SetName(param.name)
+                input.Bind(wx.EVT_CHECKBOX, self.update_enable_widgets)
                 input.Bind(wx.EVT_CHECKBOX, self.changed)
             elif param.type == 'dropdown':
                 input = wx.Choice(self, wx.ID_ANY, choices=param.options)
diff --git a/lib/stitches/auto_fill.py b/lib/stitches/auto_fill.py
index 5a6b7d91a..d3db978a2 100644
--- a/lib/stitches/auto_fill.py
+++ b/lib/stitches/auto_fill.py
@@ -80,7 +80,7 @@ def auto_fill(shape,
               ending_point=None,
               underpath=True,
               gap_fill_rows=0,
-              enable_random=False,
+              enable_random_stitch_length=False,
               random_sigma=0.0,
               random_seed=""):
     rows = intersect_region_with_grating(shape, angle, row_spacing, end_row_spacing)
@@ -108,7 +108,7 @@ def auto_fill(shape,
     path = fill_gaps(path, round_to_multiple_of_2(gap_fill_rows))
     result = path_to_stitches(shape, path, travel_graph, fill_stitch_graph, angle, row_spacing,
                               max_stitch_length, running_stitch_length, running_stitch_tolerance,
-                              staggers, skip_last, underpath, enable_random, random_sigma, random_seed)
+                              staggers, skip_last, underpath, enable_random_stitch_length, random_sigma, random_seed)
 
     return result
 
@@ -852,7 +852,7 @@ def travel(shape, travel_graph, edge, running_stitch_length, running_stitch_tole
 
 @debug.time
 def path_to_stitches(shape, path, travel_graph, fill_stitch_graph, angle, row_spacing, max_stitch_length, running_stitch_length,
-                     running_stitch_tolerance, staggers, skip_last, underpath, enable_random, random_sigma, random_seed):
+                     running_stitch_tolerance, staggers, skip_last, underpath, enable_random_stitch_length, random_sigma, random_seed):
     path = collapse_sequential_outline_edges(path, fill_stitch_graph)
 
     stitches = []
@@ -864,7 +864,7 @@ def path_to_stitches(shape, path, travel_graph, fill_stitch_graph, angle, row_sp
     for i, edge in enumerate(path):
         if edge.is_segment():
             stitch_row(stitches, edge[0], edge[1], angle, row_spacing, max_stitch_length, staggers, skip_last,
-                       enable_random, random_sigma, join_args(random_seed, i))
+                       enable_random_stitch_length, random_sigma, join_args(random_seed, i))
 
             # note: gap fill segments won't be in the graph
             if fill_stitch_graph.has_edge(edge[0], edge[1], key='segment'):
diff --git a/lib/stitches/circular_fill.py b/lib/stitches/circular_fill.py
index 11fd04325..7be9469a5 100644
--- a/lib/stitches/circular_fill.py
+++ b/lib/stitches/circular_fill.py
@@ -27,7 +27,7 @@ def circular_fill(shape,
                   ending_point,
                   underpath,
                   target,
-                  use_random,
+                  enable_random_stitch_length,
                   running_stitch_length_jitter,
                   random_seed,
                   ):
@@ -69,7 +69,7 @@ def circular_fill(shape,
         stitches = running_stitch([Stitch(*point) for point in path],
                                   running_stitch_length,
                                   running_stitch_tolerance,
-                                  use_random,
+                                  enable_random_stitch_length,
                                   running_stitch_length_jitter,
                                   random_seed)
         return _apply_bean_stitch_and_repeats(stitches, repeats, bean_stitch_repeats)
@@ -81,7 +81,7 @@ def circular_fill(shape,
             coords = running_stitch([Point(*point) for point in line.coords],
                                     running_stitch_length,
                                     running_stitch_tolerance,
-                                    use_random,
+                                    enable_random_stitch_length,
                                     running_stitch_length_jitter,
                                     prng.join_args(random_seed, n))
             segments.append([(point.x, point.y) for point in coords])
diff --git a/lib/stitches/contour_fill.py b/lib/stitches/contour_fill.py
index 9eea90ab0..0665aacb5 100644
--- a/lib/stitches/contour_fill.py
+++ b/lib/stitches/contour_fill.py
@@ -412,7 +412,7 @@ def _find_path_inner_to_outer(tree, node, offset, starting_point, avoid_self_cro
 def inner_to_outer(tree, polygon, offset,
                    stitch_length, tolerance, smoothness,
                    starting_point, avoid_self_crossing,
-                   enable_random, random_sigma, random_seed):
+                   enable_random_stitch_length, random_sigma, random_seed):
     """Fill a shape with spirals, from innermost to outermost."""
 
     stitch_path = _find_path_inner_to_outer(tree, 'root', offset, starting_point, avoid_self_crossing)
@@ -422,7 +422,7 @@ def inner_to_outer(tree, polygon, offset,
         smoothed = smooth_path(points, smoothness)
         points = clamp_path_to_polygon(smoothed, polygon)
 
-    stitches = running_stitch(points, stitch_length, tolerance, enable_random, random_sigma, random_seed)
+    stitches = running_stitch(points, stitch_length, tolerance, enable_random_stitch_length, random_sigma, random_seed)
 
     return stitches
 
@@ -518,24 +518,24 @@ def _check_and_prepare_tree_for_valid_spiral(tree):
     return process_node('root')
 
 
-def single_spiral(tree, stitch_length, tolerance, starting_point, enable_random, random_sigma, random_seed):
+def single_spiral(tree, stitch_length, tolerance, starting_point, enable_random_stitch_length, random_sigma, random_seed):
     """Fill a shape with a single spiral going from outside to center."""
-    return _spiral_fill(tree, stitch_length, tolerance, starting_point, enable_random, random_sigma, random_seed, _make_spiral)
+    return _spiral_fill(tree, stitch_length, tolerance, starting_point, enable_random_stitch_length, random_sigma, random_seed, _make_spiral)
 
 
-def double_spiral(tree, stitch_length, tolerance, starting_point, enable_random, random_sigma, random_seed):
+def double_spiral(tree, stitch_length, tolerance, starting_point, enable_random_stitch_length, random_sigma, random_seed):
     """Fill a shape with a double spiral going from outside to center and back to outside. """
-    return _spiral_fill(tree, stitch_length, tolerance, starting_point, enable_random, random_sigma, random_seed, _make_fermat_spiral)
+    return _spiral_fill(tree, stitch_length, tolerance, starting_point, enable_random_stitch_length, random_sigma, random_seed, _make_fermat_spiral)
 
 
-def _spiral_fill(tree, stitch_length, tolerance, close_point, enable_random, random_sigma, random_seed, spiral_maker):
+def _spiral_fill(tree, stitch_length, tolerance, close_point, enable_random_stitch_length, random_sigma, random_seed, spiral_maker):
     starting_point = close_point.coords[0]
 
     rings = _get_spiral_rings(tree)
     path = spiral_maker(rings, stitch_length, starting_point)
     path = [Stitch(*stitch) for stitch in path]
 
-    return running_stitch(path, stitch_length, tolerance, enable_random, random_sigma, random_seed)
+    return running_stitch(path, stitch_length, tolerance, enable_random_stitch_length, random_sigma, random_seed)
 
 
 def _get_spiral_rings(tree):
diff --git a/lib/stitches/fill.py b/lib/stitches/fill.py
index 59501a9e2..4f3e2208c 100644
--- a/lib/stitches/fill.py
+++ b/lib/stitches/fill.py
@@ -52,12 +52,13 @@ def adjust_stagger(stitch, angle, row_spacing, max_stitch_length, staggers):
     return stitch - offset * east(angle)
 
 
-def stitch_row(stitches, beg, end, angle, row_spacing, max_stitch_length, staggers, skip_last, enable_random, random_sigma, random_seed):
+def stitch_row(stitches, beg, end, angle, row_spacing, max_stitch_length, staggers, skip_last,
+               enable_random_stitch_length, random_sigma, random_seed):
     beg = Stitch(*beg, tags=('fill_row_start',))
     end = Stitch(*end, tags=('fill_row_start',))
     stitches.append(beg)
 
-    if enable_random:
+    if enable_random_stitch_length:
         stitches += split_segment_random_phase(beg, end, max_stitch_length, random_sigma, random_seed)
     else:
         # We want our stitches to look like this:
diff --git a/lib/stitches/guided_fill.py b/lib/stitches/guided_fill.py
index f170f0247..dcf9971a0 100644
--- a/lib/stitches/guided_fill.py
+++ b/lib/stitches/guided_fill.py
@@ -35,12 +35,12 @@ def guided_fill(shape,
                 ending_point,
                 underpath,
                 strategy,
-                enable_random,
+                enable_random_stitch_length,
                 random_sigma,
                 random_seed,
                 ):
     segments = intersect_region_with_grating_guideline(shape, guideline, row_spacing, num_staggers, max_stitch_length, strategy,
-                                                       enable_random, running_stitch_tolerance, random_sigma, random_seed,)
+                                                       enable_random_stitch_length, running_stitch_tolerance, random_sigma, random_seed,)
     if not segments:
         return fallback(shape, guideline, row_spacing, max_stitch_length, running_stitch_length, running_stitch_tolerance,
                         num_staggers, skip_last, starting_point, ending_point, underpath)
@@ -239,7 +239,7 @@ def _get_start_row(line, shape, row_spacing, line_direction):
 
 
 def intersect_region_with_grating_guideline(shape, line, row_spacing, num_staggers, max_stitch_length, strategy,
-                                            enable_random, tolerance, random_sigma, random_seed):
+                                            enable_random_stitch_length, tolerance, random_sigma, random_seed):
     line = prepare_guide_line(line, shape)
 
     debug.log_line_string(shape.exterior, "guided fill shape")
@@ -271,7 +271,7 @@ def intersect_region_with_grating_guideline(shape, line, row_spacing, num_stagge
 
         debug.log_line_string(offset_line, f"offset {row}")
 
-        if enable_random:
+        if enable_random_stitch_length:
             points = [InkstitchPoint(*x) for x in offset_line.coords]
             stitched_line = shgeo.LineString(random_running_stitch(
                 points, max_stitch_length, tolerance, random_sigma, prng.join_args(random_seed, row)))
diff --git a/lib/stitches/ripple_stitch.py b/lib/stitches/ripple_stitch.py
index 02dbdeb29..a354166c9 100644
--- a/lib/stitches/ripple_stitch.py
+++ b/lib/stitches/ripple_stitch.py
@@ -50,7 +50,7 @@ def _get_stitches(stroke, is_linear, lines, skip_start):
         return running_stitch(points,
                               stroke.running_stitch_length,
                               stroke.running_stitch_tolerance,
-                              stroke.enable_random_stitches,
+                              stroke.enable_random_stitch_length,
                               stroke.random_stitch_length_jitter,
                               stroke.random_seed)
 
@@ -59,7 +59,7 @@ def _get_staggered_stitches(stroke, lines, skip_start):
     stitches = []
     stitch_length = stroke.running_stitch_length
     tolerance = stroke.running_stitch_tolerance
-    enable_random = stroke.enable_random_stitches
+    enable_random_stitch_length = stroke.enable_random_stitch_length
     length_sigma = stroke.random_stitch_length_jitter
     random_seed = stroke.random_seed
     last_point = None
@@ -77,10 +77,10 @@ def _get_staggered_stitches(stroke, lines, skip_start):
         elif stroke.join_style == 1:
             should_reverse = (i + skip_start) % 2 == 1
 
-        if enable_random or stroke.staggers == 0:
+        if enable_random_stitch_length or stroke.staggers == 0:
             if should_reverse:
                 line.reverse()
-            points = running_stitch(line, stitch_length, tolerance, enable_random, length_sigma, prng.join_args(random_seed, i))
+            points = running_stitch(line, stitch_length, tolerance, enable_random_stitch_length, length_sigma, prng.join_args(random_seed, i))
             stitched_line = connector + points
         else:
             # uses the guided fill alforithm to stagger rows of stitches
diff --git a/lib/svg/rendering.py b/lib/svg/rendering.py
index a37073fb6..ee0b5d0c8 100644
--- a/lib/svg/rendering.py
+++ b/lib/svg/rendering.py
@@ -56,11 +56,12 @@ stitch_path = (
     "l-0.55,-0.1,0.55,0.1"  # Bottom-left whisker
     "z")  # return to start
 
+
 def generate_realistic_filter() -> inkex.BaseElement:
     """
     Return a copy of the realistic stitch filter, ready to add to svg defs.
     """
-    filter = inkex.Filter(attrib = {
+    filter = inkex.Filter(attrib={
        "style": "color-interpolation-filters:sRGB",
        "id": "realistic-stitch-filter",
        "x": "0",
@@ -71,27 +72,27 @@ def generate_realistic_filter() -> inkex.BaseElement:
     })
 
     filter.add(
-        inkex.Filter.GaussianBlur(attrib = {
+        inkex.Filter.GaussianBlur(attrib={
             "edgeMode": "none",
             "stdDeviation": "0.9",
             "in": "SourceAlpha",
         }),
         inkex.Filter.SpecularLighting(
-            inkex.Filter.DistantLight(attrib = {
+            inkex.Filter.DistantLight(attrib={
                 "azimuth": "-125",
                 "elevation": "20",
-            }), attrib = {
+            }), attrib={
                 "result": "result2",
                 "surfaceScale": "1.5",
                 "specularConstant": "0.78",
                 "specularExponent": "2.5",
             }
         ),
-        inkex.Filter.Composite(attrib = {
+        inkex.Filter.Composite(attrib={
             "in2": "SourceAlpha",
             "operator": "atop",
         }),
-        inkex.Filter.Composite(attrib = {
+        inkex.Filter.Composite(attrib={
             "in2": "SourceGraphic",
             "operator": "arithmetic",
             "result": "result3",
diff --git a/lib/svg/tags.py b/lib/svg/tags.py
index 089fee1ac..470288a2e 100644
--- a/lib/svg/tags.py
+++ b/lib/svg/tags.py
@@ -106,7 +106,7 @@ inkstitch_attribs = [
     'rows_per_thread',
     'herringbone_width_mm',
     'tartan_angle',
-    'enable_random_stitches',
+    'enable_random_stitch_length',
     'random_stitch_length_jitter_percent',
     'gap_fill_rows',
     # stroke