rpi-mount: provide z max

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

diff --git a/rpi-mount.scad b/rpi-mount.scad
index 5baeb7886fc79df9e91a554f0de563f9ab6ae4c3..b1b9c12102ed53e746451c7782844efbfaab25ae 100644 (file)
--- a/rpi-mount.scad
+++ b/rpi-mount.scad
@@ -14,9 +14,16 @@ pi_solder_side_gap = 1.5 * 2;
 pi_screw_hole_dia  = 2.3;
 pi_screw_hole_wall = 2.3;
 
 pi_screw_hole_dia  = 2.3;
 pi_screw_hole_wall = 2.3;
 

+pi_sz_z_incl_ribbon = 18.0;
+

 pi_mount_z_min = 1.75;
 pi_mount_z_def = 2.50;
 
 pi_mount_z_min = 1.75;
 pi_mount_z_def = 2.50;
 

+// calculated, output
+
+function pi_ribbon_top_z(pi_mount_z= pi_mount_z_def)
+  = pi_mount_z + pi_sz_z_incl_ribbon;
+

 module PiMount(pi_mount_z= pi_mount_z_def){
   sxy = pi_nom_sz/2 - [1,1] * pi_nom_centres_in;
   for (mx=[0,1]) mirror([mx,0,0]) for (my=[0,1]) mirror([0,my,0]) {
 module PiMount(pi_mount_z= pi_mount_z_def){
   sxy = pi_nom_sz/2 - [1,1] * pi_nom_centres_in;
   for (mx=[0,1]) mirror([mx,0,0]) for (my=[0,1]) mirror([0,my,0]) {