X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=sealing-box.scad.m4;h=7ead2b8bdff93d6f668d8fb393ad8134225eae2a;hb=0645ea4627d392af97c96ad15e1e1d2832eb4c73;hp=d14e49888432bd0be4f1759888f117c3357115f8;hpb=06d409f1170c1283590c420fd238c8e726b1912a;p=reprap-play.git

diff --git a/sealing-box.scad.m4 b/sealing-box.scad.m4
index d14e498..7ead2b8 100644
--- a/sealing-box.scad.m4
+++ b/sealing-box.scad.m4
@@ -6,38 +6,50 @@
 //      1. include <sealing-box.scad>
 //      2. assign() values to (xxx these should be $ variables)
 //           $sealingbox_wallth
-//           $sealingbox_xbox (outer dimension)
-//           $sealingbox_ybox (outer dimension)
-//           $sealingbox_zbox (inner dimension xxx)
+//           $sealingbox_sz[0] (outer dimension)
+//           $sealingbox_sz[1] (outer dimension)
+//           $sealingbox_sz[2] (inner dimension)
 //           $sealingbox_ceilth
 //           $sealingbox_floorth
 //           $sealingbox_wallth
-//           ts_cnrrad (outer radius of corners, leave at default normall)
-//                 xxx default should be in this file
 //      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;
+$sealingbox_crude = false;
 
 m4_define(`BoxLocals',`
+  xbox = $sealingbox_sz[0];
+  ybox = $sealingbox_sz[1];
+  zbox = $sealingbox_sz[2];
   wall = $sealingbox_wallth;
   floorth = $sealingbox_floorth;
   ceilth = $sealingbox_ceilth;
-  xbox = $sealingbox_xbox;
-  ybox = $sealingbox_ybox;
-  zbox = $sealingbox_zbox;
+  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_define(`BoxFn',`$fn= $sealingbox_crude ? ($2) : ($1)')
+
 m4_dnl Box_Part($1=transl_x,$2=transl_y, $3=rot_z,$4=mirror_xy)
 m4_dnl          $5=kind, $6=kindargs, $7=profile(profileargsargs))
 m4_define(`Box_Part',`
@@ -71,7 +83,7 @@ m4_define(`BoxPart_Extrude_Arc',`
         scale(500)
         mirror([($1)<0, 0,0])
         FArcSegment_mask($2);
-      rotate_extrude(convexity=10, $fs=1, $fn=36)
+      rotate_extrude(convexity=10, $fs=1, BoxFn(36,8))
         mirror([($1)<0, 0,0])
         translate([+($1),0,0]){
           $3
@@ -81,14 +93,14 @@ 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 '
@@ -97,7 +109,7 @@ module SealingBox_WallProfile(){
   BoxLocals
   z = zbox - innertube - tubesealrad;
   translate([0, -0.1]) square([wall, z]);
-  translate([tubesealrad, z]) circle(r=tubesealrad, $fn=20);
+  translate([tubesealrad, z]) circle(r=tubesealrad, BoxFn(20,6));
 }
 
 module SealingBox_FloorProfile(){
@@ -122,7 +134,7 @@ module SealingBox_LidProfile(){
 		 [0, -zbox]
 		 ]) {
 	  translate(t)
-	    circle(r= tubesealrad + innertube, $fn=20);
+	    circle(r= tubesealrad + innertube, BoxFn(20,6));
 	}
     }
   }
@@ -150,4 +162,4 @@ m4_define(`BoxUseShape',`
   }
 ')
 
-BoxUseShape(`TestSealBox',`BoxDoShapeRect')
+BoxUseShape(`SealingBox_Rect',`BoxDoShapeRect')