chiark / gitweb /
poster-tube-lid: Introduce bayo_*_rad (nfc)
[reprap-play.git] / poster-tube-lid.scad
index bdad0c2..2e8209f 100644 (file)
@@ -117,6 +117,9 @@ middle_bot_z = top_z - top_thick_middle;
 bayo_entry = bayo_behind / 3.0;
 bayo_top_z = bayo_behind + bayo_gap;
 
+bayo_nom_rad = main_dia/2 + side_thick;
+bayo_real_rad = main_dia/2 + rivet_tall;
+
 rivet_entry_width = rivet_width + side_rivet_gap;
 
 jig_mark_rad = jig_mark + main_dia/2 + jig_thick;
@@ -318,8 +321,8 @@ module RotateProject(x_min, x_max, slice_size, nom_rad, real_rad){
 
 module BayonetCutout(){
   RotateProject(bayo_c[0], bayo_i[0], bayo_slice_size,
-               main_dia/2 + side_thick
-               main_dia/2 + rivet_tall)
+               bayo_nom_rad
+               bayo_real_rad)
     translate([-0.5 * (bayo_a[0] + bayo_d[0]), 0])
     polygon(bayo_polygon, convexity=10);
 }
@@ -458,6 +461,26 @@ module ImplHeadCupTest(){ ////toplevel
       ImplHeadCup();
 }
 
+module SomeStrap(){
+  // children(0) is to add, (1) subtract
+  difference(){
+    union(){
+      cylinder(r=sm_outer_rad, h=sm_main_width);
+      StrapMountProtrusion(smc_cnr_c_x + sm_closure_cnr,
+                          smc_max_y,
+                          sm_closure_cnr);
+      children(0);
+    }
+    translate([0,0,-1])
+      cylinder(r=sm_inner_rad, h=sm_main_width+2);
+    translate(smc_pos)
+      StrapMountBolt(10);
+    translate(smc_pos)
+      cube([ sm_bolt_tighten_allow, 40,100 ], center=true);
+    children(1);
+  }
+}
+
 module StrapMountBolt(l_delta){ ///toplevel
   // positioned relative to smc_pos
   translate([(smc_bolt_nut_eff_thick - sm_bolt_head_thick)/2,
@@ -492,28 +515,17 @@ module StrapMountProtrusion(half_x, max_y, cnr){
 }
 
 module StrapMount(){ ////toplevel
-  difference(){
-    union(){
-      cylinder(r=sm_outer_rad, h=sm_main_width);
-      StrapMountProtrusion(smc_cnr_c_x + sm_closure_cnr,
-                          smc_max_y,
+  SomeStrap(){
+    rotate([0,0,180]){
+      StrapMountProtrusion(strap_hoop_inside/2 + strap_hoop_thick,
+                          strap_hoop_thick,
                           sm_closure_cnr);
-      rotate([0,0,180]){
-       StrapMountProtrusion(strap_hoop_inside/2 + strap_hoop_thick,
-                            strap_hoop_thick,
-                            sm_closure_cnr);
-       translate(smc_pos +
-                 [0,0, sm_main_width] +
-                 strap_hoop_thick * [ 0, 0.5, -1.0 ])
-         StrapHoop();
-      }
+      translate(smc_pos +
+               [0,0, sm_main_width] +
+               strap_hoop_thick * [ 0, 0.5, -1.0 ])
+       StrapHoop();
     }
-    translate([0,0,-1])
-      cylinder(r=sm_inner_rad, h=sm_main_width+2);
-    translate(smc_pos)
-      StrapMountBolt(10);
-    translate(smc_pos)
-      cube([ sm_bolt_tighten_allow, 40,100 ], center=true);
+    union(){ };
   }
 }
 
@@ -571,11 +583,32 @@ module CatchPreDistort(){ /////toplevel
 }
 
 module CatchAssembly(){ /////toplevel
-  scale(sm_inner_rad / 100)
+  rotate([0,0, -0.5 * (cpp1[0] + cpp2[0]) / sm_inner_rad * 360/TAU])
+    translate([0,0, catch_strap_width])
+    scale(sm_inner_rad / 100)
     import(str("poster-tube-lid,CatchPostDistort-fa",
               (coarse ? 20 : 1),
               ".stl"),
           convexity=20);
+
+  SomeStrap(){
+    union(){ }
+    union(){
+      translate([-200, -200, -200])
+       cube([400, 200, 400]);
+    }
+  }
+}
+
+module CatchDemo(){ /////toplevel
+  color("blue") translate([0,0,
+            -catch_strap_width
+            -cpp0[1]
+            ])
+    CatchAssembly();
+  translate([0,0,+side_height
+            ])
+    Cover();
 }
 
 //ProfilesDemo();