sealing-box: document origin

[reprap-play.git] / sealing-box.scad.m4

diff --git a/sealing-box.scad.m4 b/sealing-box.scad.m4
index 80f3c33e5f996bf4edccdda3f31ec9bc9e6b0348..2c06917da9d21e1cc29c9b28d547ae2725e6bfa6 100644 (file)
--- a/sealing-box.scad.m4
+++ b/sealing-box.scad.m4
@@ -5,37 +5,46 @@
 // A. Rectangular boxes
 //      1. include <sealing-box.scad>
 //      2. assign() values to (xxx these should be $ variables)
-//           $sealingbox_wallthick
+//           $sealingbox_wallth
 //           $sealingbox_xbox (outer dimension)
 //           $sealingbox_ybox (outer dimension)
-//           $sealingbox_zbox (inner dimension xxx)
+//           $sealingbox_zbox (inner dimension)
 //           $sealingbox_ceilth
 //           $sealingbox_floorth
-//           $sealingbox_wallthick
-//           ts_cnrrad (outer radius of corners, leave at default normall)
-//                 xxx default should be in this file
+//           $sealingbox_wallth
 //      3. use the modules
 //           SealingBox_RectBox
 //           SealingBox_RectLid
+//           (origin is notional outside corner, but at level of
+//            inside of base; box extends to positive x,y,z)
 //
 // B. Complicated shapes, but harder work
 //      1. Be a .m4 file and m4_include sealing-box.scad.m4
 //      2. Define your own BoxDoShapeSomething like BoxDoShapeRect
 //      3. Invoke BoxUseShape
 //      4. Use the Box and Lid modules generated
+//
+// Other settings
+//  $sealingbox_cnrrad
+
+$sealingbox_cnrrad = 10;
 
 m4_define(`BoxLocals',`
-  wall = $sealingbox_wallthick;
-  floorth = $sealingbox_floorth;
-  ceilth = $sealingbox_ceilth;
   xbox = $sealingbox_xbox;
   ybox = $sealingbox_ybox;
   zbox = $sealingbox_zbox;
+  wall = $sealingbox_wallth;
+  floorth = $sealingbox_floorth;
+  ceilth = $sealingbox_ceilth;
+  cnrrad = $sealingbox_cnrrad;
 
-  ts_cidoff = (ts_cnrrad * (1-.7) + wall * .8) * [1,1];
+  xbox_lin = xbox - cnrrad*2;
+  ybox_lin = ybox - cnrrad*2;
 
-  xbox_lin = xbox - ts_cnrrad*2;
-  ybox_lin = ybox - ts_cnrrad*2;
+  innertube = 1.0 + 0.2;
+  lidoverlap = 1.5;
+  lidoverhang = 6;
+  tubesealrad = 2.0;
 ')
 
 m4_dnl Box_Part($1=transl_x,$2=transl_y, $3=rot_z,$4=mirror_xy)
@@ -81,14 +90,14 @@ m4_define(`BoxPart_Extrude_Arc',`
 
 m4_dnl BoxDoShapeRect(`profile(profileargs)');
 m4_define(`BoxDoShapeRect',`
-  Box_Part(0,               ts_cnrrad,    0,0, Linear,`ybox_lin', `$1' )
-  Box_Part(0,    ybox-ts_cnrrad,          0,0, Arc,`-ts_cnrrad,90' , `$1' )
-  Box_Part(ts_cnrrad,       ybox,       -90,0, Linear,`xbox_lin', `$1' )
-  Box_Part(xbox-ts_cnrrad,  ybox,       -90,0, Arc,`-ts_cnrrad,90' , `$1' )
-  Box_Part(xbox,       ybox-ts_cnrrad, -180,0, Linear,`ybox_lin', `$1' )
-  Box_Part(xbox,            ts_cnrrad, -180,0, Arc,`-ts_cnrrad,90' , `$1' )
-  Box_Part(xbox-ts_cnrrad,    0,       -270,0, Linear,`xbox_lin', `$1' )
-  Box_Part(ts_cnrrad,         0,       -270,0, Arc,`-ts_cnrrad,90' , `$1' )
+  Box_Part(0,           cnrrad,         0,0, Linear,`ybox_lin', `$1' )
+  Box_Part(0,           ybox-cnrrad,    0,0, Arc,`-cnrrad,90' , `$1' )
+  Box_Part(cnrrad,      ybox,         -90,0, Linear,`xbox_lin', `$1' )
+  Box_Part(xbox-cnrrad, ybox,         -90,0, Arc,`-cnrrad,90' , `$1' )
+  Box_Part(xbox,        ybox-cnrrad, -180,0, Linear,`ybox_lin', `$1' )
+  Box_Part(xbox,        cnrrad,      -180,0, Arc,`-cnrrad,90' , `$1' )
+  Box_Part(xbox-cnrrad, 0,           -270,0, Linear,`xbox_lin', `$1' )
+  Box_Part(cnrrad,      0,           -270,0, Arc,`-cnrrad,90' , `$1' )
 ')
 
 m4_dnl '
@@ -150,4 +159,4 @@ m4_define(`BoxUseShape',`
   }
 ')
 
-BoxUseShape(`TestSealBox',`BoxDoShapeRect')
+BoxUseShape(`SealingBox_Rect',`BoxDoShapeRect')