X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?a=blobdiff_plain;f=pulley.scad;h=10804aa597c0be8c7cc8d56f9a1098d4c17e9aad;hb=0c39b7e5ee6a247d57e9a0a59312e3981595a208;hp=92c05841c3828f70d023991131d0874593f3d66e;hpb=79095ee16b0f3ed7b0ce3b3e0ee0f54c974354fe;p=things.git

diff --git a/pulley.scad b/pulley.scad
index 92c0584..10804aa 100644
--- a/pulley.scad
+++ b/pulley.scad
@@ -6,7 +6,8 @@ thick = 2.5;
 base_thick = 1.5;
 d_minus = thick; // cca 45 deg
 
-center_hole_d = 3.5;
+center_hole_d = 4.8+0.5;
+center_hole_d2 = 2.5;
 side_holes = 5;
 side_hole_d = 5;
 
@@ -21,11 +22,18 @@ module body() {
 
 difference() {
 	body($fn = 128);
-	translate([0, 0, -eps])
-		cylinder(r = center_hole_d/2, h = thick + 2*eps, $fn = 128);
+	if (center_hole_d2 > 0) {
+		translate([0, 0, 0.5])
+			cylinder(r1 = center_hole_d/2, r2 = center_hole_d/2+0.2, h = thick + 2*eps, $fn = 8);
+		translate([0, 0, -eps])
+			cylinder(r = center_hole_d2/2, h = thick + 2*eps, $fn = 128);
+	} else {
+		translate([0, 0, -eps])
+			cylinder(r = center_hole_d/2, h = thick + 2*eps, $fn = 128);
+	}
 	if (side_holes > 0) 
 	for (angle = [0:360/side_holes:360]) rotate([0, 0, angle+180/side_holes])
-		translate([diameter/3 - d_minus + center_hole_d/2, 0, -eps])
+		translate([2*diameter/7 - d_minus + center_hole_d/2, 0, -eps])
 			cylinder(r = side_hole_d/2, h = thick + 2*eps, $fn=128);
 	if (base_thick)
 		difference() {