diff --git a/apps/tools/twndel/tool.c b/apps/tools/twndel/tool.c
index e43c6a3..6c4df04 100644
--- a/apps/tools/twndel/tool.c
+++ b/apps/tools/twndel/tool.c
@@ -200,8 +200,7 @@ static bool find_closest_point(uint8_t* object_result, uint16_t *point_result) {
                 float ray_dist = vec3_length(b);
                 if (ray_dist > ((float)SELECTION_SPHERE_RADIUS / POINTS_PER_METER))
                     continue;
-                Vec3 i = vec3_add(p, b);
-                float dist = vec3_length(i);
+                float dist = vec3_length(vec3_add(p, b));
                 if (dist < closest_distance) {
                     closest_distance = dist;
                     closest_obj = obj;
@@ -225,6 +224,7 @@ static bool find_closest_point(uint8_t* object_result, uint16_t *point_result) {
 
 static void process_operation_move_point(Operation *op) {
     /* finish dragging around */
+    /* TODO: dont keep empty ops on stack? */
     if (input_action_just_released("select")) {
         state.op_active = false;
         return;
@@ -246,13 +246,15 @@ static void process_operation_move_point(Operation *op) {
 
     /* TODO: show thresholds */
 
+    log_vec3(b, "cross");
+
     /* change along axes, delta is accumulated when threshold is met*/
     int16_t xch = (int16_t)(floorf(vec3_dot(b, (Vec3){0,0,1}) * (float)POINTS_PER_METER)) * !state.axis_mask[0];
     xch -= xch % state.grid_snap_granularity;
     state.points[op->data.move_point.point].x += xch;
     op->data.move_point.delta_x += xch;
 
-    int16_t ych = (int16_t)(floorf(vec3_dot(b, (Vec3){0,-1,0}) * (float)POINTS_PER_METER)) * !state.axis_mask[1];
+    int16_t ych = (int16_t)(floorf(vec3_dot(vec3_cross(b, pos_and_ray.direction), (Vec3){0,-1,0}) * (float)POINTS_PER_METER)) * !state.axis_mask[1];
     ych -= ych % state.grid_snap_granularity;
     state.points[op->data.move_point.point].y += ych;
     op->data.move_point.delta_y += ych;