X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?a=blobdiff_plain;f=chair-spring.scad;h=048c5d81d2ebd9b074bdf9043136bf3992a77965;hb=HEAD;hp=e55e0355a883c12b8186cc382af0f3b6ee1d103b;hpb=c25fc9c6959790b2d089c5d8b9761c99ff99611b;p=things.git

diff --git a/chair-spring.scad b/chair-spring.scad
index e55e035..048c5d8 100644
--- a/chair-spring.scad
+++ b/chair-spring.scad
@@ -2,11 +2,11 @@ infty = 100;
 eps = 0.01;
 
 wall = 2;
-spring_y = 24;
+spring_y = 23.8;
 spring_x = 8;
 spring_z = 8.5;
 
-spring_low = 1; // mm lower than spring_x
+spring_low = 1.2; // mm lower than spring_x
 
 clip_add_z = 5;
 clip_w = 15;
@@ -22,8 +22,8 @@ for (i = [-1,1]) scale([1, i, 1])
 // clip
 translate([0, -clip_w/2, 0]) cube([wall, clip_w, spring_z + clip_add_z]);
 
-spring_top_r = 12;
-spring_y_off = spring_y/4 - 1.2;
+spring_top_r = 9;
+spring_y_off = spring_y/4;
 
 difference() {
 	union() {
@@ -38,7 +38,10 @@ difference() {
 					$fn = 128);
 	}
 	// top of the spring
-	translate([spring_x, -infty/2, -infty/2]) cube(infty);
+	difference() {
+		translate([spring_x, -infty/2, -infty/2]) cube(infty);
+		translate([spring_x - 1, 0, -eps]) scale([0.8, 1, 1]) cylinder(r = 2.5, h = spring_z + 2*eps, $fn = 128);
+	}
 
 	// sides
 	for (i = [-1, 1]) scale([1, i, 1])
@@ -51,3 +54,5 @@ difference() {
 			cylinder(r = spring_top_r - wall, h = spring_z + 2*eps,
 					$fn = 128);
 }
+
+// color("red") translate([23.5, 0, 0]) cylinder(r = 18, h = spring_z);