chiark / gitweb /
bike-lipo-box: provide tubesealrad and set to bigger value
[reprap-play.git] / bike-lipo-box.scad.m4
index 56fcaa05613abf0e0cd65fdaefc661e83acf6200..9dc67fbab52f570ec010e9ca3cdaf975fc36a4c3 100644 (file)
@@ -1,6 +1,7 @@
 // -*- C -*-
 
 include <commitid.scad>
+include <utils.scad>
 
 pxp6012_rad = 22.5 / 2 + 0.5;
 pxp6012_rad_outer = 32.0 / 2 - 0.5;
@@ -55,43 +56,57 @@ module TestWall(){
   }    
 }
 
-ts_floorceil = 1.5;
-ts_outer = [20,20,20];
-ts_wall = [wallthick,wallthick,ts_floorceil];
+floorth = 2.5;
+ceilth = 2.5;
+innertube = 1.0 + 0.2;
+lidoverlap = 1.5;
+lidoverhang = 4;
+tubesealrad = 2.0;
 
-ts_xbox = 20;
-ts_ybox = 15;
-ts_cnrrad = 5;
-ts_zbox = 20;
-
-ts_innertube = 0.1;
+ts_xbox = 30;
+ts_ybox = 25;
+ts_cnrrad = 10;
+ts_zbox = 15;
 
 m4_dnl Box_Part($1=transl_x,$2=transl_y, $3=rot_z,$4=mirror_xy)
-m4_dnl          $5=kind(kindargs)
-m4_dnl   profile(profileargsargs);
+m4_dnl          $5=kind, $6=kindargs, $7=profile(profileargsargs))
 m4_define(`Box_Part',`
   translate([($1),($2)])
     rotate([0,0,($3)])
     mirror([($4),0,0])
-    BoxPart_Extrude_$5') m4_dnl
+    BoxPart_Extrude_$5($6, $7)') m4_dnl
 
 boxpart_d = 0.01;
 
-m4_dnl BoxPart_Extrude_Linear(dist) profile(...);
+m4_dnl BoxPart_Extrude_Linear(dist, `profile(...);');
 m4_define(`BoxPart_Extrude_Linear',`
   rotate([90,0,0])
     translate([0,0, -($1)])
-    linear_extrude(height= boxpart_d + ($1))
+    linear_extrude(height= boxpart_d + ($1)) {
+      $2
+    }
 ')
 
-m4_dnl BoxPart_Extrude_Arc(outer_radius, swept_angle)
+m4_dnl BoxPart_Extrude_Arc(x0_radius, swept_angle, `profile(...);')
 m4_dnl  arc starting at transl_x, transl_y, moving towards positive
-m4_dnl  y at first and then bending towards positive x, until
+m4_dnl  y at first and then bending towards negative x, until
+m4_dnl  use negative x0_radius to inciate bending towards positive x
 m4_dnl  swept_angle is reached
+m4_dnl  x0_radius is the radius of the extruded part at x=0, not of the box
 m4_define(`BoxPart_Extrude_Arc',`
-  translate([+($1),0,0])
-    rotate_extrude(angle=($2), convexity=10, $fs=1, $fn=36)
-    translate([-($1),0,0])
+  translate([-($1),0,0])
+    intersection(){
+      translate([0,0,-500])
+        linear_extrude(height=1000)
+        scale(500)
+        mirror([($1)<0, 0,0])
+        FArcSegment_mask($2);
+      rotate_extrude(convexity=10, $fs=1, $fn=36)
+        mirror([($1)<0, 0,0])
+        translate([+($1),0,0]){
+          $3
+        }
+    }
 ')
 
 ts_xbox_lin = ts_xbox - ts_cnrrad*2;
@@ -99,29 +114,63 @@ ts_ybox_lin = ts_ybox - ts_cnrrad*2;
 
 m4_dnl TestSealDoBoxShape(`profile(profileargs)');
 m4_define(`TestSealDoBoxShape',`
-  Box_Part(0,               ts_cnrrad,    0,0, Linear(ts_ybox_lin)) $1;
-  Box_Part(0, ts_ybox-ts_cnrrad,          0,0, Arc(ts_cnrrad,90)  ) $1;
-  Box_Part(ts_cnrrad,       ts_ybox,    -90,0, Linear(ts_xbox_lin)) $1;
-  Box_Part(ts_xbox-ts_cnrrad, ts_ybox,  -90,0, Arc(ts_cnrrad,90)  ) $1;
-  Box_Part(ts_xbox, ts_ybox-ts_cnrrad, -180,0, Linear(ts_ybox_lin)) $1;
-  Box_Part(ts_xbox,         ts_cnrrad, -180,0, Arc(ts_cnrrad,90)  ) $1;
-  Box_Part(ts_xbox-ts_cnrrad, 0,       -270,0, Linear(ts_xbox_lin)) $1;
-  Box_Part(ts_cnrrad,         0,       -270,0, Arc(ts_cnrrad,90)  ) $1;
+  Box_Part(0,               ts_cnrrad,    0,0, Linear,`ts_ybox_lin', `$1' )
+  Box_Part(0, ts_ybox-ts_cnrrad,          0,0, Arc,`-ts_cnrrad,90' , `$1' )
+  Box_Part(ts_cnrrad,       ts_ybox,    -90,0, Linear,`ts_xbox_lin', `$1' )
+  Box_Part(ts_xbox-ts_cnrrad, ts_ybox,  -90,0, Arc,`-ts_cnrrad,90' , `$1' )
+  Box_Part(ts_xbox, ts_ybox-ts_cnrrad, -180,0, Linear,`ts_ybox_lin', `$1' )
+  Box_Part(ts_xbox,         ts_cnrrad, -180,0, Arc,`-ts_cnrrad,90' , `$1' )
+  Box_Part(ts_xbox-ts_cnrrad, 0,       -270,0, Linear,`ts_xbox_lin', `$1' )
+  Box_Part(ts_cnrrad,         0,       -270,0, Arc,`-ts_cnrrad,90' , `$1' )
 ')
 
 m4_dnl '
 
-module TestSealWallProfile(){
-  z = ts_zbox - ts_innertube - wallthick/2;
+module WallProfile(){
+  z = ts_zbox - innertube - tubesealrad;
   translate([0, -0.1]) square([wallthick, z]);
-  translate([wallthick/2, z]) circle(r = wallthick/2, $fn=20);
+  translate([tubesealrad, z]) circle(r=tubesealrad, $fn=20);
+}
+
+module FloorProfile(){
+  mirror([0,1]) square([wallthick, floorth]);
+}
+
+module LidProfile(){
+  rad = tubesealrad + innertube;
+  morex = wallthick;
+  difference(){
+    translate([-lidoverlap - innertube,
+              ts_zbox - lidoverhang - innertube])
+      square([lidoverlap + innertube + wallthick,
+             lidoverhang + innertube + ceilth]);
+    hull(){
+      translate([tubesealrad,
+                ts_zbox - innertube - tubesealrad])
+       for (t=[ [0,0],
+                [morex*2, 0],
+                [0, -ts_zbox]
+                ]) {
+         translate(t)
+           circle(r= tubesealrad + innertube, $fn=20);
+       }
+    }
+  }
 }
 
 module TestSealBox(){
-  TestSealDoBoxShape(`TestSealWallProfile()');
+  TestSealDoBoxShape(WallProfile(););
+  hull(){ TestSealDoBoxShape(FloorProfile();); }
 }
 
+module ProfileDemos(){
+  WallProfile();
+  color("blue")
+    FloorProfile();
+  LidProfile();
+}
+                         
 //TestWall();
-//TestSealWallProfile();
-TestSealBox();
-
+//TestSealBox();
+ProfileDemos();
+//FArcSegment_mask(350);