diff --git a/vis/shaders/CMakeLists.txt b/vis/shaders/CMakeLists.txt
index 965d2d1..bffe8ca 100644
--- a/vis/shaders/CMakeLists.txt
+++ b/vis/shaders/CMakeLists.txt
@@ -1,9 +1,4 @@
 add_embed_library(shaders
-    curve-ortho.gm.glsl
-    curve-stereo.gm.glsl
-    diffuse.fs.glsl
-    direct-ortho.vs.glsl
-    direct-stereo.vs.glsl
     solid.fs.glsl
     deferred.vs.glsl
     slice.gm.glsl
diff --git a/vis/shaders/curve-ortho.gm.glsl b/vis/shaders/curve-ortho.gm.glsl
deleted file mode 100644
index 2d670b8..0000000
--- a/vis/shaders/curve-ortho.gm.glsl
+++ /dev/null
@@ -1,38 +0,0 @@
-#version 430
-
-#define SUBS 20
-
-layout(lines) in;
-layout(line_strip, max_vertices = SUBS) out;
-
-layout(std430, binding=1) buffer Positions {
-    vec4 verts[];
-};
-
-layout(std140, binding=1) uniform Matrices {
-    mat4 proj;
-    mat4 view;
-};
-
-out gl_PerVertex {
-    vec4 gl_Position;
-    float gl_PointSize;
-};
-
-in vec4 gpos[];
-
-out vec4 vpos;
-
-vec4 stereo(vec4 v) {
-    return vec4(v.xyz, 1);
-}
-
-void main() {
-    for (int i = 0; i < SUBS; i++) {
-        vpos = mix(gpos[0], gpos[1], i * 1.0f / (SUBS - 1));
-        vpos = normalize(vpos);
-        gl_Position = proj * stereo(vpos);
-        EmitVertex();
-    }
-    EndPrimitive();
-}
diff --git a/vis/shaders/curve-stereo.gm.glsl b/vis/shaders/curve-stereo.gm.glsl
deleted file mode 100644
index c60b840..0000000
--- a/vis/shaders/curve-stereo.gm.glsl
+++ /dev/null
@@ -1,39 +0,0 @@
-#version 430
-
-#define SUBS 20
-
-layout(lines) in;
-layout(line_strip, max_vertices = SUBS) out;
-
-layout(std430, binding=1) buffer Positions {
-    vec4 verts[];
-};
-
-layout(std140, binding=1) uniform Matrices {
-    mat4 proj;
-    mat4 view;
-};
-
-out gl_PerVertex {
-    vec4 gl_Position;
-    float gl_PointSize;
-};
-
-in vec4 gpos[];
-
-out vec4 vpos;
-
-vec4 stereo(vec4 v) {
-    return vec4(v.xyz / (1 - v.w), 1);
-}
-
-void main() {
-    for (int i = 0; i < SUBS; i++) {
-        vpos = mix(gpos[0], gpos[1], i * 1.0f / (SUBS - 1));
-        vpos = normalize(vpos);
-
-        gl_Position = proj * stereo(vpos);
-        EmitVertex();
-    }
-    EndPrimitive();
-}
diff --git a/vis/shaders/deferred.vs.glsl b/vis/shaders/deferred.vs.glsl
index ed65fd7..fe7cf77 100644
--- a/vis/shaders/deferred.vs.glsl
+++ b/vis/shaders/deferred.vs.glsl
@@ -9,6 +9,11 @@ layout(std140, binding=1) uniform Matrices {
     mat4 view;
 };
 
+layout(std140, binding=2) uniform ModelMatrices {
+    mat4 linear;
+    vec4 translation;
+};
+
 layout(location=0) in ivec4 inds;
 layout(location=1) in vec4 col;
 
@@ -24,7 +29,7 @@ void main() {
     vInds = inds;
     vCol = col;
 
-    vec4 pos = view * verts[vInds.x];
+    vec4 pos = linear * verts[vInds.x] + translation;
     gl_Position = proj * vec4(pos.xyz, 1);
     gl_PointSize = 5;
 }
diff --git a/vis/shaders/diffuse.fs.glsl b/vis/shaders/diffuse.fs.glsl
deleted file mode 100644
index d8cc3fe..0000000
--- a/vis/shaders/diffuse.fs.glsl
+++ /dev/null
@@ -1,14 +0,0 @@
-#version 430
-
-layout(location=1) in vec4 col;
-layout(location=2) in vec3 normal;
-
-out vec4 color;
-
-void main() {
-    float bright = dot(normal, normalize(vec3(-0.6, 1, 2)));
-    bright = .6 + .3 * bright;
-
-    color = col;
-    color.xyz *= bright;
-}
diff --git a/vis/shaders/direct-ortho.vs.glsl b/vis/shaders/direct-ortho.vs.glsl
deleted file mode 100644
index a8e6cf9..0000000
--- a/vis/shaders/direct-ortho.vs.glsl
+++ /dev/null
@@ -1,24 +0,0 @@
-#version 430
-
-layout(std430, binding=1) buffer Positions {
-    vec4 verts[];
-};
-
-layout(std140, binding=1) uniform Matrices {
-    mat4 proj;
-    mat4 view;
-};
-
-out gl_PerVertex {
-    vec4 gl_Position;
-    float gl_PointSize;
-};
-
-out vec4 vpos;
-
-void main() {
-    vec4 pos = verts[gl_VertexID];
-    vpos = view * pos;
-    gl_Position = proj * vec4(vpos.xyz / (1), 1);
-    gl_PointSize = 5;
-}
diff --git a/vis/shaders/direct-stereo.vs.glsl b/vis/shaders/direct-stereo.vs.glsl
deleted file mode 100644
index 13ea399..0000000
--- a/vis/shaders/direct-stereo.vs.glsl
+++ /dev/null
@@ -1,24 +0,0 @@
-#version 430
-
-layout(std430, binding=1) buffer Positions {
-    vec4 verts[];
-};
-
-layout(std140, binding=1) uniform Matrices {
-    mat4 proj;
-    mat4 view;
-};
-
-out gl_PerVertex {
-    vec4 gl_Position;
-    float gl_PointSize;
-};
-
-out vec4 vpos;
-
-void main() {
-    vec4 pos = verts[gl_VertexID];
-    vpos = view * pos;
-    gl_Position = proj * vec4(vpos.xyz / (1 - vpos.w), 1);
-    gl_PointSize = 5;
-}
diff --git a/vis/shaders/slice.gm.glsl b/vis/shaders/slice.gm.glsl
index 08f094d..69c56bf 100644
--- a/vis/shaders/slice.gm.glsl
+++ b/vis/shaders/slice.gm.glsl
@@ -12,6 +12,11 @@ layout(std140, binding=1) uniform Matrices {
     mat4 view;
 };
 
+layout(std140, binding=2) uniform ModelMatrices {
+    mat4 linear;
+    vec4 translation;
+};
+
 in ivec4 vInds[];
 in vec4 vCol[];
 
@@ -36,7 +41,8 @@ void emit(vec4 v) {
 
 void main() {
     vec4 pos4[4];
-    for (int i = 0; i < 4; ++i) pos4[i] = view * verts[vInds[0][i]];
+    for (int i = 0; i < 4; ++i)
+        pos4[i] = view * (linear * verts[vInds[0][i]] + translation);
 
     int lo[4], L = 0;
     int hi[4], H = 0;