diff --git a/src/exe/cimbar_send/send.cpp b/src/exe/cimbar_send/send.cpp
index 3c9ded5c..7cdcf87b 100644
--- a/src/exe/cimbar_send/send.cpp
+++ b/src/exe/cimbar_send/send.cpp
@@ -59,10 +59,7 @@ int main(int argc, char** argv)
 	bool use_rotatecam = result.count("rotatecam");
 	bool use_shakycam = result.count("shakycam");
 
-	cimbar::shaky_cam cam(cimbar::Config::image_size(), 1080, 1080, dark);
-	cam.toggle();
-
-	cimbar::window w(cam.width(), cam.height(), "cimbar_send");
+	cimbar::window w(1080, 1080, "cimbar_send");
 	if (!w.is_good())
 	{
 		std::cerr << "failed to create window :(" << std::endl;
@@ -72,13 +69,12 @@ int main(int argc, char** argv)
 	bool running = true;
 	bool start = true;
 
-	auto draw = [&w, &cam, use_rotatecam, use_shakycam, delay, &running, &start] (const cv::Mat& frame, unsigned) {
+	auto draw = [&w, use_rotatecam, use_shakycam, delay, &running, &start] (const cv::Mat& frame, unsigned) {
 		if (!start and w.should_close())
 			return running = false;
 		start = false;
 
-		cv::Mat& windowImg = cam.draw(frame);
-		w.show(windowImg, delay);
+		w.show(frame, delay);
 		if (use_rotatecam)
 			w.rotate();
 		if (use_shakycam)
diff --git a/src/lib/gui/gl_2d_display.h b/src/lib/gui/gl_2d_display.h
index 3386f33c..1969ad25 100644
--- a/src/lib/gui/gl_2d_display.h
+++ b/src/lib/gui/gl_2d_display.h
@@ -8,6 +8,7 @@
 #include <GLES3/gl3.h>
 #include <GLES2/gl2ext.h>
 
+#include <iostream>
 #include <memory>
 
 namespace cimbar {
@@ -32,16 +33,27 @@ class gl_2d_display
 	    {0, -1, -1, 0} // right 270
 	}};
 
-	static std::array<std::pair<GLfloat, GLfloat>, 8> computeShakePos(unsigned dim)
+	static std::array<std::pair<GLfloat, GLfloat>, 8> computeShakePos(float dim)
 	{
-		float shake = 8.0f / dim;
-		return {{ {0, 0}, {-shake, -shake}, {0, 0}, {shake, shake}, {0, 0}, {-shake, shake}, {0, 0}, {shake, -shake} }};
+		float shake = 8.0f / dim; // 1080
+		float zero = (dim - 1000.0) / (dim*2);
+		return {{
+			{zero, zero},
+			{zero-shake, zero-shake},
+			{zero, zero},
+			{zero+shake, zero+shake},
+			{zero, zero},
+			{zero-shake, zero+shake},
+			{zero, zero},
+			{zero+shake, zero-shake}
+		}};
 	}
 
 public:
 	gl_2d_display(unsigned width, unsigned height)
 	    : _p(create())
-	    , _shakePos(computeShakePos(std::min(width, height)))
+	    , _dimension(std::min(width, height))
+	    , _shakePos(computeShakePos(_dimension))
 	    , _shake(_shakePos)
 	    , _rotation(ROTATIONS)
 	{
@@ -76,6 +88,10 @@ class gl_2d_display
 		glBindTexture(GL_TEXTURE_2D, texture);
 		glUniform1i(textureUniform, 0);
 
+		// scaling
+		GLuint scalingUniform = glGetUniformLocation(prog, "scaling");
+		glUniform1f(scalingUniform, 2 * (1008 / _dimension));
+
 		// pass in rotation matrix
 		GLuint rotateUniform = glGetUniformLocation(prog, "rot");
 		std::array<GLfloat, 4> rot = *_rotation;
@@ -133,14 +149,15 @@ class gl_2d_display
 		static const std::string VERTEX_SHADER_SRC = R"(#version 300 es
 		uniform mat2 rot;
 		uniform vec2 tform;
+		uniform float scaling;
 		in vec4 vert;
 		out vec2 texCoord;
 		void main() {
 		   gl_Position = vec4(vert.x, vert.y, 0.0f, 1.0f);
 		   vec2 ori = vec2(vert.x, vert.y);
 		   ori *= rot;
-		   texCoord = vec2(1.0f - ori.x, 1.0f - ori.y) / 2.0;
-		   texCoord += tform;
+		   texCoord = vec2(1.0f - ori.x, 1.0f - ori.y) / scaling;
+		   texCoord -= tform;
 		})";
 
 		static const std::string FRAGMENT_SHADER_SRC = R"(#version 300 es
@@ -162,6 +179,7 @@ class gl_2d_display
 	std::array<GLuint, 3> _vbo;
 	GLuint _vao;
 	unsigned _i = 0;
+	float _dimension;
 
 	std::array<std::pair<GLfloat, GLfloat>, 8> _shakePos;
 	loop_iterator<decltype(_shakePos)> _shake;
diff --git a/src/wasm/cimbar_js/wasm.cpp b/src/wasm/cimbar_js/wasm.cpp
index ce6a958b..5c33dd96 100644
--- a/src/wasm/cimbar_js/wasm.cpp
+++ b/src/wasm/cimbar_js/wasm.cpp
@@ -65,7 +65,7 @@ int render()
 	}
 
 	_window->show(*img, 0);
-	_window->rotate();
+	_window->shake();
 	return ++_renders;
 }
 
diff --git a/web/main.js b/web/main.js
index eaca534c..6f7894d1 100644
--- a/web/main.js
+++ b/web/main.js
@@ -33,7 +33,7 @@ return {
   {
     console.log("init for canvas " + canvas);
 
-    Module._initialize_GL(1024, 1024);
+    Module._initialize_GL(1040, 1040);
     Main.scaleCanvas(canvas, width, height);
     Main.alignInvisibleClick(canvas);
   },
@@ -45,8 +45,8 @@ return {
       dim = height;
     }
     console.log(dim);
-    if (dim > 1024) {
-      dim = 1024;
+    if (dim > 1040) {
+      dim = 1040;
     }
     canvas.style.width = dim + "px";
     canvas.style.height = dim + "px";