X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=itx-aperture-grommet.scad;h=53f74faf48dbedb334cb0c451390d72038e18eda;hb=6dba99d4594590c1af949fbd0379d366a05c2ca6;hp=badb4ab196dfc09e195c90100fbaca496c5012cf;hpb=1c1ad15875e3c70d98287fd665668f9d6acc7ed8;p=reprap-play.git

diff --git a/itx-aperture-grommet.scad b/itx-aperture-grommet.scad
index badb4ab..53f74fa 100644
--- a/itx-aperture-grommet.scad
+++ b/itx-aperture-grommet.scad
@@ -5,12 +5,12 @@ include <threads.scad>
 
 ap_width = 21.30;
 ap_height = 16.45;
-tot_height = 22.74;
+tot_height = 22.74 + 1.0;
 screw_ctr_to_tr = [ 7.89, 3.87 ];
 
 tab_th = 2.5;
 wall_th = 1;
-wall_h = 1;
+wall_h = 2;
 
 app_slop = 0.60; // total across both sides
 
@@ -18,15 +18,15 @@ app_slop = 0.60; // total across both sides
 
 tab_h = tot_height - ap_height;
 
-real_ap_sz = [ ap_width, ap_height ] - app_slop * [ 1,1 ];
-real_main_sz = real_ap_sz + wall_th * [ 2,1 ];
+real_main_sz = [ ap_width, ap_height ] - app_slop * [ 1,1 ];
 real_all_sz = real_main_sz + tab_h * [0,1];
+real_inner_sz = real_main_sz - wall_th * [ 2,1 ];
 
 screw_pos = real_all_sz - (screw_ctr_to_tr - 0.5 * app_slop * [1,1]);
 
 module GapPlan() {
   rectfromto([ wall_th, -1 ],
-	     [ real_main_sz[0] - wall_th, real_ap_sz[1] - wall_th ]);
+	     real_main_sz - wall_th * [1,1]);
 }
 
 module MainPlan() {