misc uncomitted changes

[clinton/3d-models.git] / etc / canister.scad

diff --git a/etc/canister.scad b/etc/canister.scad
dissimilarity index 62%
index 7578dbc..23ac922 100644 (file)
--- a/etc/canister.scad
+++ b/etc/canister.scad
@@ -1,107 +1,76 @@
-// super simple canister
-// 2018 Clinton Ebadi
-
-inner_d = 20;
-inner_h = 20;
-cap_inner_h = 12;
-cap_overlap = 10;
-cap_tolerance = 0.5;
-
-wall = 2;
-base = 1;
-sides = 6;
-
-
-// calculated
-outer_d = inner_d + wall*2;
-outer_h = inner_h + wall - cap_inner_h + cap_overlap;
-
-cap_outer_d = outer_d + wall*2;
-cap_outer_h = cap_inner_h + base;
-
-cap_bump_size = wall/2;
-cap_bump_h = cap_bump_size * 2;
-cap_bump_offset = cap_bump_h + 2;
-
-echo (cap_bump_offset);
-
-
-// other asserts, if I care enough...
-assert (cap_inner_h > cap_overlap);
-assert (cap_outer_h - cap_bump_offset > base);
-
-
-//$fa = 0.1;
-//$fs = 0.1;
-
-canister_base ();
-translate ([cap_outer_d + 1, 0, 0,]) canister_cap ();
-
-//cap_bump ();
-
-// inner
-/* module cap_bump () { */
-/*      $fn = sides; */
-/*      cap_bump_d = outer_d+cap_bump_size*2; */
-
-/*      difference () { */
-/*       circle (d=cap_bump_d); */
-/*       circle (d=outer_d); */
-/*      } */
-
-/*      /\* difference () { *\/ */
-/*      /\*      cylinder (h=cap_bump_h, d=cap_bump_d, center=true); *\/ */
-/*      /\*      cylinder (h=cap_bump_h+1, d=outer_d, center=true); *\/ */
-/*      /\* } *\/ */
-
-/*      /\* rotate_extrude () *\/ */
-/*      /\* union () { *\/ */
-/*      /\*      translate ([cap_bump_d/2, 0, 0]) *\/ */
-/*      /\*           rotate ([0, 180, 0]) circle (cap_bump_size, $fn=3); *\/ */
-/*      /\* } *\/ */
-/* } */
-
-module cap_bump () {
-     cap_bump_d = outer_d+cap_bump_size/2;
-     hull () {
-         translate ([0, 0, 0])
-              cylinder (d = cap_bump_d, h = cap_bump_h/3, $fn = sides);
-         translate ([0, 0, cap_bump_h/3])
-              cylinder (d = cap_bump_d + cap_bump_size, h = cap_bump_h/3, $fn = sides);
-         translate ([0, 0, cap_bump_h/3*2])
-              cylinder (d = cap_bump_d, h = cap_bump_h/3, $fn = sides);
-     }
-     /*               cylinder (d = cap_bump_d + cap_bump_size, h = cap_bump_h, $fn = sides); */
-     /*               translate ([0, 0, -cap_bump_h]) cylinder (d = inner_d, h = cap_bump_h*2+0.1, $fn = sides); */
-     /*          } */
-     /*          sphere_d = (cap_bump_h+0.1); */
-     /*          translate ([cap_bump_d/2-cap_bump_size, 0, cap_bump_h/2]) sphere (d = sphere_d); */
-     /* } */
-
-     /* minkowski () { */
-     /*          cylinder (d = outer_d, h = cap_bump_size*2, $fn = sides); */
-     /*          sphere (d = cap_bump_size); */
-     /* } */
-     /* rotate_extrude () { */
-     /*          translate ([inner_d/2, 0, 0]) circle (cap_bump_size); */
-     /* } */
-}
-
-module canister_base () {
-     difference () {
-         union () {
-              cylinder (d = outer_d, h = outer_h, $fn = sides);
-              translate ([0, 0, outer_h - cap_overlap + cap_bump_offset]) cap_bump ();
-         }
-         translate ([0, 0, base]) cylinder (d = inner_d, h = outer_h + 1, $fn = sides);
-     }
-}
-
-module canister_cap () {
-     tolerance_pct = 1.05;
-     difference () {
-         cylinder (d = cap_outer_d, h = cap_outer_h, $fn = sides);
-         translate ([0, 0, base]) cylinder (d = outer_d + cap_tolerance, h = cap_outer_h+1, $fn = sides);
-         translate ([0, 0, cap_outer_h - cap_bump_offset]) scale ([tolerance_pct, tolerance_pct, tolerance_pct]) cap_bump ();
-     }
-}
+// super simple canister
+// 2018 Clinton Ebadi
+
+// incense sticks are ~22cm
+// add a few cm in cap for packaging
+
+inner_d = 25;
+inner_h = 215;
+cap_inner_h = 35; // height inside of cap, above rim of the canister
+cap_overlap = 10;
+cap_tolerance = 0.3;
+
+wall = 2;
+base = 2;
+sides = 7;
+
+
+// calculated
+outer_d = inner_d + wall*2;
+outer_h = inner_h + base;
+
+cap_outer_d = outer_d + wall*2 + cap_tolerance;
+cap_outer_h = cap_inner_h + cap_overlap + base;
+
+cap_bump_size = 0.75;
+cap_bump_h = 3;
+cap_bump_offset = 3;
+
+echo (cap_bump_offset);
+
+
+// other asserts, if I care enough...
+//assert (cap_inner_h > cap_overlap);
+//assert (cap_outer_h - cap_bump_offset > base);
+
+
+//$fa = 0.1;
+//$fs = 0.1;
+
+canister_base ();
+translate ([cap_outer_d + 1, 0, 0]) canister_cap ();
+//#translate ([0, 0, outer_h + cap_inner_h + base]) rotate ([0, 180, 180]) canister_cap ();
+
+//cap_bump ();
+
+module cap_bump (cap_bump_size=cap_bump_size, cap_bump_h=cap_bump_h) {
+     cap_bump_d = outer_d+cap_bump_size/2;
+     hull () {
+         translate ([0, 0, 0])
+              cylinder (d = cap_bump_d, h = cap_bump_h/3, $fn = sides);
+         translate ([0, 0, cap_bump_h/3])
+              cylinder (d = cap_bump_d + cap_bump_size, h = cap_bump_h/3, $fn = sides);
+         translate ([0, 0, cap_bump_h/3*2])
+              cylinder (d = cap_bump_d, h = cap_bump_h/3, $fn = sides);
+     }
+}
+
+module canister_base () {
+     difference () {
+         union () {
+              cylinder (d = outer_d, h = outer_h, $fn = sides);
+              translate ([0, 0, outer_h - cap_overlap + cap_bump_offset]) cap_bump ();
+              translate ([0, 0, outer_h - cap_overlap - cap_bump_h - 0.2]) cap_bump (cap_bump_size = wall);
+         }
+         translate ([0, 0, base]) cylinder (d = inner_d, h = outer_h + 1, $fn = sides);
+     }
+}
+
+module canister_cap () {
+     tolerance_pct = 1.00;
+     difference () {
+         cylinder (d = cap_outer_d, h = cap_outer_h, $fn = sides);
+         translate ([0, 0, base]) cylinder (d = outer_d + cap_tolerance, h = cap_outer_h+1, $fn = sides);
+         translate ([0, 0, cap_outer_h - cap_bump_offset - cap_bump_h]) scale ([tolerance_pct, tolerance_pct, tolerance_pct]) rotate ([0, 0, 0]) cap_bump ();
+     }
+}