screw-recess-test: measurements from real screws

[reprap-play.git] / screw-recess-test.scad

diff --git a/screw-recess-test.scad b/screw-recess-test.scad
index e3dab4e2340c969e979bd932d6503c58f054a646..2e6a96e5b8f4d4ec3b39d77b1e040b974de794c5 100644 (file)
--- a/screw-recess-test.scad
+++ b/screw-recess-test.scad
@@ -4,33 +4,19 @@ cubez = 12;
 
 shaftz = cubez;
 
-//        shaftdia  recessdia
-tests = [[2 + 0.5,   6 + 1.0,   0,  0 ],
-        [3 + 0.5,   9 + 1.0,   0, 10 ],
-        [4 + 0.5,  10 + 1.0,   0, 25 ],
-        [5 + 0.5,  10 + 1.0,  15,  5 ],
-        [6 + 0.5,  12 + 1.0,  15, 20 ]];
-
-last_test = tests[len(tests)-1];
-
-blockminx = -5;
-blockminy = -5;
-blockmaxx = 25;
-blockmaxy = 20;
-
-cubexy = 20;
-
 module RecessScrewCutout_RecessCylinder(recessdia,zbelow, h){
   translate([0,0,-zbelow]) cylinder(r=recessdia/2, h=h+1, $fn=40);
 }
 
-RecessedScrewCutout_defaultrecessdepth_flat = -0.35;
-RecessedScrewCutout_defaultrecessdepth_hex = -0.70;
+RecessedScrewCutout_defaultrecessdepth_flat = -0.30;
+RecessedScrewCutout_defaultrecessdepth_hex = -0.60;
 
-function RecessedScrewCutout_recessdepth(recessdia, recessdepth_arg) =
+function RecessedScrewCutout_recessdepth(recessdia,
+        recessdepth_arg=RecessedScrewCutout_defaultrecessdepth_flat) =
   recessdepth_arg >= 0 ? recessdepth_arg : -recessdepth_arg * recessdia;
 
-function RecessedScrewCutout_totaldepth(recessdia, recessdepth_arg) =
+function RecessedScrewCutout_totaldepth(recessdia,
+        recessdepth_arg=RecessedScrewCutout_defaultrecessdepth_flat) =
   RecessedScrewCutout_recessdepth(recessdia, recessdepth_arg) +
   + 0.5*recessdia + 0.1;
 
@@ -52,36 +38,39 @@ module RecessedScrewCutout(shaftdia, recessdia, shaftlen,
   }
 }
 
-module Block(){
-  translate([blockminx, blockmaxx, 0])
-    cube([blockmaxx-blockminx, blockmaxy-blockminy, cubez]);
-}
+//        shaftdia  recessdia
+tests = [[2 + 0.5,   4 + 1.0,   4, -4 ],
+        [3 + 0.5,   6 + 1.0,   0, 10 ],
+        [4 + 0.5,   8 + 1.0,   0, 25 ],
+        [5 + 0.5,  10 + 1.0,  17,  4 ],
+        [6 + 0.5,  12 + 1.0,  17, 20 ]];
 
-module Test(){
+last_test = tests[len(tests)-1];
+
+blockminx = -5;
+blockminy = -5;
+blockmaxx = 25;
+blockmaxy = 20;
+
+cubexy = 20;
+
+module OneTest(t){
+  blocksz = t[1] + 7;
+  h = RecessedScrewCutout_totaldepth(t[1]) + 3;
   difference(){
-    Block();
-    union(){
-      for (t = tests) {
-       RecessedScrewCutout(t[0],t[1], shaftz+1);
-      }
-    }
+    translate([-blocksz/2, -blocksz/2, 0])
+      cube([blocksz, blocksz, h]);
+    RecessedScrewCutout(t[0],t[1], h+1);
   }
 }
 
-module Holes(){
-  for (t = tests) {
+module Tests(){
+  for (t = tests)
     translate([t[2], t[3], 0])
-      RecessedScrewCutout(t[0],t[1], shaftz+1);
-  }
+      OneTest(t);
 }
 
-module Demo(){
-  Block();
-  %Holes();
-}
-
-Demo();
-
-//Test();
+//OneTest(tests[1]);
+Tests();
 //Hole();
 //Holes();