diff --git a/implot-examples/examples-shared/src/bar_plots.rs b/implot-examples/examples-shared/src/bar_plots.rs
index ce5d35a..6aab4c4 100644
--- a/implot-examples/examples-shared/src/bar_plots.rs
+++ b/implot-examples/examples-shared/src/bar_plots.rs
@@ -10,7 +10,7 @@ pub fn show_basic_vertical_plot(ui: &Ui, plot_ui: &PlotUi) {
     Plot::new("Vertical bar plot")
         // The size call could also be omitted, though the defaults don't consider window
         // width, which is why we're not doing so here.
-        .size(content_width, 300.0)
+        .size([content_width, 300.0])
         .build(plot_ui, || {
             // If this is called outside a plot build callback, the program will panic.
             let axis_positions = vec![0.2, 0.4, 0.6, 0.8];
@@ -27,7 +27,7 @@ pub fn show_basic_horizontal_plot(ui: &Ui, plot_ui: &PlotUi) {
     Plot::new("Horizontal bar plot")
         // The size call could also be omitted, though the defaults don't consider window
         // width, which is why we're not doing so here.
-        .size(content_width, 300.0)
+        .size([content_width, 300.0])
         .build(plot_ui, || {
             // If this is called outside a plot build callback, the program will panic.
             let axis_positions = vec![0.2, 0.4, 0.6, 0.8];
diff --git a/implot-examples/examples-shared/src/heatmaps.rs b/implot-examples/examples-shared/src/heatmaps.rs
index e539b58..665f0d8 100644
--- a/implot-examples/examples-shared/src/heatmaps.rs
+++ b/implot-examples/examples-shared/src/heatmaps.rs
@@ -10,7 +10,7 @@ pub fn show_basic_heatmap(ui: &Ui, plot_ui: &PlotUi) {
     Plot::new("Heatmap plot")
         // The size call could also be omitted, though the defaults don't consider window
         // width, which is why we're not doing so here.
-        .size(content_width, 300.0)
+        .size([content_width, 300.0])
         .build(plot_ui, || {
             let values = (0..100).map(|x| 0.1 * x as f64).collect::<Vec<_>>();
             PlotHeatmap::new("my favourite heatmap")
diff --git a/implot-examples/examples-shared/src/line_plots.rs b/implot-examples/examples-shared/src/line_plots.rs
index be744f4..c8db9d9 100644
--- a/implot-examples/examples-shared/src/line_plots.rs
+++ b/implot-examples/examples-shared/src/line_plots.rs
@@ -19,7 +19,7 @@ pub fn show_basic_plot(ui: &Ui, plot_ui: &PlotUi) {
     Plot::new("Simple line plot")
         // The size call could also be omitted, though the defaults don't consider window
         // width, which is why we're not doing so here.
-        .size(content_width, 300.0)
+        .size([content_width, 300.0])
         .build(plot_ui, || {
             // If this is called outside a plot build callback, the program will panic.
             let x_positions = vec![0.1, 0.9];
@@ -36,7 +36,7 @@ pub fn show_two_yaxis_plot(ui: &Ui, plot_ui: &PlotUi) {
     Plot::new("Multiple Y axis plots")
         // The size call could also be omitted, though the defaults don't consider window
         // width, which is why we're not doing so here.
-        .size(content_width, 300.0)
+        .size([content_width, 300.0])
         .with_plot_flags(&(PlotFlags::NONE | PlotFlags::Y_AXIS_2))
         .y_limits(
             &ImPlotRange { Min: 0.0, Max: 1.0 },
@@ -68,7 +68,7 @@ pub fn show_axis_equal_plot(ui: &Ui, plot_ui: &PlotUi) {
     Plot::new("Axis equal line plot")
         // The size call could also be omitted, though the defaults don't consider window
         // width, which is why we're not doing so here.
-        .size(content_width, 300.0)
+        .size([content_width, 300.0])
         .with_plot_flags(&(PlotFlags::NONE | PlotFlags::AXIS_EQUAL))
         .build(plot_ui, || {
             // If this is called outside a plot build callback, the program will panic.
@@ -110,7 +110,7 @@ pub fn show_configurable_plot(ui: &Ui, plot_ui: &PlotUi) {
 
     // Axis labels
     Plot::new("Configured line plot")
-        .size(x_size, y_size)
+        .size([x_size, y_size])
         .x_label(&x_label)
         .y_label(&y_label)
         .x_limits(
@@ -161,7 +161,7 @@ pub fn show_query_features_plot(ui: &Ui, plot_ui: &PlotUi) {
 
     // Draw a plot
     Plot::new("Plot querying")
-        .size(content_width, 300.0)
+        .size([content_width, 300.0])
         .x_limits(&ImPlotRange { Min: 0.0, Max: 5.0 }, Condition::FirstUseEver)
         .y_limits(
             &ImPlotRange { Min: 0.0, Max: 5.0 },
@@ -246,7 +246,7 @@ pub fn show_style_plot(ui: &Ui, plot_ui: &PlotUi) {
     // variables can be done outside of plot calls as well.
     let style = push_style_color(&PlotColorElement::PlotBg, 1.0, 1.0, 1.0, 0.2);
     Plot::new("Style demo plot")
-        .size(content_width, 300.0)
+        .size([content_width, 300.0])
         .x_limits(&ImPlotRange { Min: 0.0, Max: 6.0 }, Condition::Always)
         .y_limits(
             &ImPlotRange {
@@ -291,7 +291,7 @@ pub fn show_colormaps_plot(ui: &Ui, plot_ui: &PlotUi) {
     set_colormap_from_preset(Colormap::Plasma, 1);
 
     Plot::new("Colormap demo plot")
-        .size(content_width, 300.0)
+        .size([content_width, 300.0])
         .build(plot_ui, || {
             (1..10)
                 .map(|x| x as f64 * 0.1)
@@ -318,7 +318,7 @@ pub fn show_colormaps_plot(ui: &Ui, plot_ui: &PlotUi) {
     ]);
 
     Plot::new("Colormap demo plot #2")
-        .size(content_width, 300.0)
+        .size([content_width, 300.0])
         .build(plot_ui, || {
             (1..10)
                 .map(|x| x as f64 * 0.1)
diff --git a/implot-examples/examples-shared/src/scatter_plots.rs b/implot-examples/examples-shared/src/scatter_plots.rs
index 62528f5..43257f5 100644
--- a/implot-examples/examples-shared/src/scatter_plots.rs
+++ b/implot-examples/examples-shared/src/scatter_plots.rs
@@ -12,7 +12,7 @@ pub fn show_basic_plot(ui: &Ui, plot_ui: &PlotUi) {
     Plot::new("Simple scatter plot")
         // The size call could also be omitted, though the defaults don't consider window
         // width, which is why we're not doing so here.
-        .size(content_width, 300.0)
+        .size([content_width, 300.0])
         .build(plot_ui, || {
             // If this is called outside a plot build callback, the program will panic.
             let x_positions = vec![0.1, 0.2, 0.1, 0.5, 0.9];
@@ -29,7 +29,7 @@ pub fn show_custom_markers_plot(ui: &Ui, plot_ui: &PlotUi) {
     Plot::new("Multi-marker scatter plot")
         // The size call could also be omitted, though the defaults don't consider window
         // width, which is why we're not doing so here.
-        .size(content_width, 300.0)
+        .size([content_width, 300.0])
         .build(plot_ui, || {
             // Change to cross marker for one scatter plot call
             let x_positions = vec![0.1, 0.2, 0.1, 0.5, 0.9];
diff --git a/implot-examples/examples-shared/src/stairs_plots.rs b/implot-examples/examples-shared/src/stairs_plots.rs
index 215ca81..0fc39d6 100644
--- a/implot-examples/examples-shared/src/stairs_plots.rs
+++ b/implot-examples/examples-shared/src/stairs_plots.rs
@@ -12,7 +12,7 @@ pub fn show_basic_plot(ui: &Ui, plot_ui: &PlotUi) {
     Plot::new("Simple stairs plot")
         // The size call could also be omitted, though the defaults don't consider window
         // width, which is why we're not doing so here.
-        .size(content_width, 300.0)
+        .size([content_width, 300.0])
         .build(plot_ui, || {
             // If this is called outside a plot build callback, the program will panic.
             let x_positions = vec![0.1, 0.2, 0.5];
diff --git a/implot-examples/examples-shared/src/stem_plots.rs b/implot-examples/examples-shared/src/stem_plots.rs
index dc99c64..23d9f97 100644
--- a/implot-examples/examples-shared/src/stem_plots.rs
+++ b/implot-examples/examples-shared/src/stem_plots.rs
@@ -10,7 +10,7 @@ pub fn show_basic_plot(ui: &Ui, plot_ui: &PlotUi) {
     Plot::new("Stem plot")
         // The size call could also be omitted, though the defaults don't consider window
         // width, which is why we're not doing so here.
-        .size(content_width, 300.0)
+        .size([content_width, 300.0])
         .build(plot_ui, || {
             // If this is called outside a plot build callback, the program will panic.
             let axis_positions = vec![0.2, 0.4, 0.6, 0.8, 0.9, 0.93];
diff --git a/implot-examples/examples-shared/src/text_plots.rs b/implot-examples/examples-shared/src/text_plots.rs
index 5d2c36f..cc3e0d9 100644
--- a/implot-examples/examples-shared/src/text_plots.rs
+++ b/implot-examples/examples-shared/src/text_plots.rs
@@ -12,7 +12,7 @@ pub fn show_basic_plot(ui: &Ui, plot_ui: &PlotUi) {
     Plot::new("Simple text plot")
         // The size call could also be omitted, though the defaults don't consider window
         // width, which is why we're not doing so here.
-        .size(content_width, 300.0)
+        .size([content_width, 300.0])
         .build(plot_ui, || {
             // The text passed to "new" is what gets displayed.
             let x_position: f64 = 0.5;
diff --git a/src/plot.rs b/src/plot.rs
index 9d787dd..4dd748d 100644
--- a/src/plot.rs
+++ b/src/plot.rs
@@ -97,10 +97,8 @@ pub struct Plot {
     /// Title of the plot, shown on top. Stored as ImString because that's what we'll use
     /// afterwards, and this ensures the ImString itself will stay alive long enough for the plot.
     title: ImString,
-    /// Size of the plot in x direction, in the same units imgui uses.
-    size_x: f32,
-    /// Size of the plot in y direction, in the same units imgui uses.
-    size_y: f32,
+    /// Size of the plot in [x, y] direction, in the same units imgui uses.
+    size: [f32; 2],
     /// Label of the x axis, shown on the bottom. Stored as ImString because that's what we'll use
     /// afterwards, and this ensures the ImString itself will stay alive long enough for the plot.
     x_label: ImString,
@@ -162,8 +160,7 @@ impl Plot {
         // TODO(4bb4) question these defaults, maybe remove some of them
         Self {
             title: im_str!("{}", title),
-            size_x: DEFAULT_PLOT_SIZE_X,
-            size_y: DEFAULT_PLOT_SIZE_Y,
+            size: [DEFAULT_PLOT_SIZE_X, DEFAULT_PLOT_SIZE_Y],
             x_label: im_str!("").into(),
             y_label: im_str!("").into(),
             x_limits: None,
@@ -186,9 +183,8 @@ impl Plot {
     /// Sets the plot size, given as [size_x, size_y]. Units are the same as
     /// what imgui uses. TODO(4b4) ... which is? I'm not sure it's pixels
     #[inline]
-    pub fn size(mut self, size_x: f32, size_y: f32) -> Self {
-        self.size_x = size_x;
-        self.size_y = size_y;
+    pub fn size(mut self, size: [f32; 2]) -> Self {
+        self.size = size;
         self
     }
 
@@ -427,10 +423,7 @@ impl Plot {
                 self.title.as_ptr(),
                 self.x_label.as_ptr(),
                 self.y_label.as_ptr(),
-                sys::ImVec2 {
-                    x: self.size_x as f32,
-                    y: self.size_y as f32,
-                },
+                self.size.into(),
                 self.plot_flags,
                 self.x_flags,
                 self.y_flags[0],