From: Jan "Yenya" Kasprzak <kas@fi.muni.cz>
Date: Thu, 14 Mar 2024 22:53:34 +0000 (+0100)
Subject: paul trap
X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?a=commitdiff_plain;h=21b98736d912d551c2d6150d7fb0b9b6a10966c5;p=things.git

paul trap
---

diff --git a/paul-trap-holder.scad b/paul-trap-holder.scad
index d951208..5d513cb 100644
--- a/paul-trap-holder.scad
+++ b/paul-trap-holder.scad
@@ -1,36 +1,52 @@
 include <yenyalib.scad>
 
-base_wall = 3;
-rod_d = 5 + 0.5;
-d_max = 40;
-d_min = 15;
+base_wall = 4;
+wall = 1.5;
+rod_d = 5 + 1;
+d_max = 45;
+d_min = 20;
 steps = 3;
 
-difference() {
-	cylinder(r = d_max/2+base_wall + rod_d/2, h = base_wall, $fn = 6);
-	for (i = [0:1:steps]) {
-		Rz((steps-i)*85/steps)
-		for (angle = [0:60:360]) Rz(angle) Tx(d_min/2+i*(d_max-d_min)/(2*(steps))) Tz(-eps)
-			cylinder(r = rod_d/2, h = base_wall + 2*eps, $fn = 6);
-	}
-}
-
-// strut
 strut_w = 15;
 strut_l = 80;
+strut_side_inner_l = 8;
+
+center_hole_d = d_min-wall-rod_d;
+
+module base() {
+	difference() {
+		cylinder(r = d_max/2+2*wall + rod_d/2, h = base_wall, $fn = 6);
+		Tz(wall) cylinder(r = d_max/2 + rod_d/2+wall, h = base_wall, $fn = 6);
+	}
+}
 
-Ty((d_max/2+base_wall+rod_d/2)*cos(30)) {
+module strut() {
+Ty((d_max/2+wall+rod_d/2)*cos(30)) {
 	Tx(-strut_w/2) {
-		cube([strut_w, strut_l, base_wall]);
-		Ty(strut_l-base_wall) difference() {
-			cube([strut_w, base_wall, strut_w]);
-			Tx(strut_w/2) Tz(strut_w/2) Rx(-90) Tz(-eps) cylinder(r = 2.5, h = base_wall+2*eps, $fn = 6);
+		cube([strut_w, strut_l, wall]);
+		Ty(strut_l-wall) difference() {
+			cube([strut_w, wall, strut_w]);
+			Tx(strut_w/2) Tz(strut_w/2) Rx(-90) Tz(-eps) cylinder(r = 2.5, h = wall+2*eps, $fn = 6);
 		}
 	}
 	Mx() hull() {
-		Tx(strut_w/2-base_wall) {
-			Ty(-base_wall) cube([base_wall, eps, base_wall]);
-			Ty(strut_l-base_wall) cube([base_wall, base_wall, strut_w]);
+		Tx(strut_w/2-wall) {
+			Ty(-strut_side_inner_l) cube([wall, eps, base_wall]);
+			Ty(strut_l-wall) cube([wall, wall, strut_w]);
 		}
 	}
 }
+}
+difference() {
+	union() {
+		base();
+		strut();
+	}
+	for (i = [0:1:steps]) {
+		Rz((steps-i)*85/steps)
+		for (angle = [0:60:360]) Rz(angle) Tx(d_min/2+i*(d_max-d_min)/(2*(steps))) Tz(-eps)
+			cylinder(r = rod_d/2, h = wall + 2*eps, $fn = 6);
+	}
+	Tz(-eps) cylinder(r = center_hole_d/2, h = infty);
+}
+
diff --git a/paul-trap-laser-holder.scad b/paul-trap-laser-holder.scad
new file mode 100644
index 0000000..7fcd4c6
--- /dev/null
+++ b/paul-trap-laser-holder.scad
@@ -0,0 +1,26 @@
+include <yenyalib.scad>
+
+wall = 1.5;
+strut_w = 15;
+laser_h = 103;
+laser_d = 12;
+clip_cut_w = 4;
+
+	Tx(-strut_w/2) {
+		Ty(laser_h/2)
+			cube([strut_w, laser_h/2, wall]);
+		Ty(laser_h-wall) difference() {
+			cube([strut_w, wall, strut_w]);
+			Tx(strut_w/2) Tz(strut_w/2) Rx(-90) Tz(-eps) cylinder(r = 2.5, h = wall+2*eps, $fn = 6);
+		}
+	}
+	Mx() Tx(strut_w/2-wall)
+		cube([wall, laser_h, strut_w]);
+	difference() {
+		cylinder(r = laser_d/2+1.41*wall, h = strut_w, $fn = 4);
+		Tz(-eps) cylinder(r = laser_d/2, h = strut_w+2*eps, $fn = 4);
+		translate([-clip_cut_w/2, -laser_d, -eps])
+			cube([clip_cut_w, 2*laser_d, strut_w+2*eps]);
+	}
+
+