poster-tube-lid: WallMountForBase wip

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>

diff --git a/poster-tube-lid.scad b/poster-tube-lid.scad
index b0d81ffc5b276317998d0bd0ccf089a84b1bc135..aeb1ffada55bd38ba3bf53cd09c37f913bc6a039 100644 (file)
--- a/poster-tube-lid.scad
+++ b/poster-tube-lid.scad
@@ -176,7 +176,7 @@ wmb_mount_cut_rad = sm_outer_rad + wmb_gap;
 wmb_x_screw = -sm_outer_rad + wmb_screw_around + wmb_screw_dia/2;
 wmb_y_screw_end = sqrt(
                       pow(wmb_mount_cut_rad, 2) -
-                      pow(wmb_x_screw, 2)
+                      pow(wmb_x_screw + wmb_screw_dia/2, 2)
                       );
 
 smc_pos = [ 0, sm_inner_rad, 0 ];