holder_skewangle_yextra = holder_xsz/2 * sin(abs(crewpunch_skew_angle));
-holder_max_y = crewpunch_biggest_shape[1][1] + holder_min_wall +
+holder_max_y = crewpunch_biggest_shape[1][1] + holder_min_wall
+ crewpunch_systematic_size_error + holder_skewangle_yextra;
holder_block_min_y = crewpunch_biggest_shape[1][0] - holder_attach_near_wall +