New bits

tir_sportif/tripod/scad/02_center_bottom.scad

@@ -1,41 +1,24 @@
 $fn = 60;
 
 include <BOSL2/std.scad>
-include <boltsos_0.4.1/BOLTS.scad>
+include <nutsnbolts/cyl_head_bolt.scad>;
 
-module legScrew() {
-    translate([-8,24.5,0]) {
-        cylinder(h=20, d=5.4, center=true);
-        translate ([0,0,-7.5]) DIN931("M5");
-        translate ([0,0,-9]) DIN931("M5");
-        cylinder(h=25, d=5, center=true);
-        translate([0,0,7.5]) cylinder(h=6, d=9);
-    }
+module screw(size) {
+    nutcatch_parallel(size, clh=0.2, clk=0.2);
+	translate([0,0,23]) hole_through(name=size, l=15, cld=0.2, h=8.5, hcld=0.4);
+	*nutcatch_sidecut(size, l=20, clk=0.1, clh=0.1, clsl=0.1);
 }
 
 difference() {
     // Center part
-    linear_extrude(height = 16)
+    translate([0,0,-8]) linear_extrude(height = 16)
             import("../svg/center_bottom.svg");
     // Legs screw holes
     color("red") {
         for(i=[1:1:3]) {
-            rotate([0,90,i*120]) legScrew();
+            rotate([30,90,i*120]) translate([0,24.5,-7.5]) screw("M5");
         }
     }
-    // Center screw hole
-    rotate([0,0,120]) {
-        translate ([0,-13,8]) {
-            union() {
-               rotate([90,90,0]) {
-               DIN931("M3");
-               }
-                translate ([0,1,0]) {
-                    rotate([90,90,0]) {
-                    DIN931("M3");
-                     }
-                }
-            }
-        }
-    }
-}
+   // Center screw hole
+    translate([12.95,0,0]) rotate([0,90,00]) screw("M3");
+}