diff --git a/apps/tools/twndel/tool.c b/apps/tools/twndel/tool.c
index 88719d9..d1919a1 100644
--- a/apps/tools/twndel/tool.c
+++ b/apps/tools/twndel/tool.c
@@ -238,8 +238,8 @@ static void process_camera_rotation(void) {
 
 
 static void process_camera_translation(void) {
-    Vec3 right = vec3_cross(state.camera_direction, (Vec3){0,1,0});
-    Vec3 up = vec3_cross(state.camera_direction, right);
+    Vec3 right = vec3_norm(vec3_cross(state.camera_direction, (Vec3){0,1,0}));
+    Vec3 up = vec3_norm(vec3_cross(state.camera_direction, right));
     Vec3 was = state.camera_position;
 
     if (input_action_pressed("camera_rotate_left"))
@@ -383,7 +383,7 @@ static bool find_closest_face(uint8_t* object_result, uint16_t *face_result) {
             Vec3 p1 = point_to_vec3(oi, f->p[1]);
             Vec3 p2 = point_to_vec3(oi, f->p[2]);
 
-            Vec3 n = vec3_cross(vec3_sub(p1, p0), vec3_sub(p2, p0));
+            Vec3 n = vec3_norm(vec3_cross(vec3_sub(p1, p0), vec3_sub(p2, p0)));
 
             /* culling */
             if (vec3_dot(state.camera_direction, n) > 0) continue;
@@ -396,24 +396,24 @@ static bool find_closest_face(uint8_t* object_result, uint16_t *face_result) {
             if (dist >= closest_distance) continue;
 
             /* left normals are used to determine whether point lies to the left for all forming lines */
-            Vec3 ln0 = vec3_cross(n, vec3_sub(p1, p0));
+            Vec3 ln0 = vec3_norm(vec3_cross(n, vec3_sub(p1, p0)));
             if (vec3_dot(ln0, vec3_sub(p0, i)) > 0) continue;
 
-            Vec3 ln1 = vec3_cross(n, vec3_sub(p2, p1));
+            Vec3 ln1 = vec3_norm(vec3_cross(n, vec3_sub(p2, p1)));
             if (vec3_dot(ln1, vec3_sub(p1, i)) > 0) continue;
 
             if (f->p[3] == INVALID_POINT) {
                 /* triangle */
-                Vec3 ln2 = vec3_cross(n, vec3_sub(p0, p2));
+                Vec3 ln2 = vec3_norm(vec3_cross(n, vec3_sub(p0, p2)));
                 if (vec3_dot(ln2, vec3_sub(p2, i)) > 0) continue;
 
             } else {
                 /* quad */
                 Vec3 p3 = point_to_vec3(oi, f->p[3]);
-                Vec3 ln2 = vec3_cross(n, vec3_sub(p3, p2));
+                Vec3 ln2 = vec3_norm(vec3_cross(n, vec3_sub(p3, p2)));
                 if (vec3_dot(ln2, vec3_sub(p2, i)) > 0) continue;
 
-                Vec3 ln3 = vec3_cross(n, vec3_sub(p0, p3));
+                Vec3 ln3 = vec3_norm(vec3_cross(n, vec3_sub(p0, p3)));
                 if (vec3_dot(ln3, vec3_sub(p3, i)) > 0) continue;
             }