libclasp.scad

@@ -1,84 +0,0 @@
-/*
- * Latch
- *
- * Copyright (C) 2024 Matthias Neeracher <microtherion@gmail.com>
- */
-
-$fn = $preview ? 32 : 64;
-
-// Thickness of walls
-thickness = 3.0; // [2:5:.5]
-
-// Diameter of axle
-axle = 2.5;      // [2:5:.5]
-
-// Clearance above bottom
-clearance = 3;   // [0:10:1]
-
-// Width of latch
-width = 10;      // [5:50:1]
-
-// Length of latch
-length = 20;     // [5:100:1]
-
-/* Other parameters - tune if necessary */
-// Tolerance of parts
-tolerance = .2;  // [0:1:.1]
-
-module _top_post(THICK, AXLE, CLEAR, TOL) {
-    dia = 2*THICK+AXLE;
-    center = AXLE/2+CLEAR;
-    f_diag = (2*AXLE)/sqrt(2);
-    difference() {
-        union() {
-            translate([0, -dia/2, 0]) cube([THICK, dia, AXLE/2+CLEAR]);
-            translate([THICK, 0, center]) rotate([0, -90, 0]) cylinder(h=THICK, d=dia);
-        }
-        translate([THICK, 0, center]) rotate([0, -90, 0]) cylinder(h=THICK, d=AXLE+TOL);
-        translate([0, AXLE/2, CLEAR]) rotate([90, 0, 90]) linear_extrude(THICK) polygon([[0, TOL/2], [0, AXLE-TOL/2], [dia/2, 1.5*AXLE], [dia/2, -0.5*AXLE]]);
-        translate([0, 0, CLEAR+TOL]) cube([THICK, AXLE/2, AXLE-2*TOL]);
-        translate([0, -dia, -dia]) cube([THICK, dia, dia]);
-    }
-}
-
-module latch_top(WIDTH=width, THICK=thickness, AXLE=axle, CLEAR=clearance, TOL=tolerance) {
-    translate([WIDTH/2+TOL, 0, 0])        _top_post(THICK, AXLE, CLEAR, TOL);
-    translate([-WIDTH/2-THICK-TOL, 0, 0]) _top_post(THICK, AXLE, CLEAR, TOL);
-}
-
-module latch_tongue(LENGTH=length, WIDTH=width, THICK=thickness, AXLE=axle, TOL=tolerance) {
-    angle = 50;
-    mid   = THICK/2;
-    translate([0, 0, THICK]) linear_extrude(WIDTH) {
-        hull() {
-            translate([mid, 0]) circle(d=THICK);
-            translate([AXLE/2+THICK, 0]) circle(d=AXLE);
-        }
-        hull() {
-            translate([mid, 0]) circle(d=THICK);
-            translate([mid, -LENGTH-3*AXLE]) circle(d=THICK);
-        }
-        difference() {
-            translate([AXLE/2+THICK, -LENGTH+AXLE/2]) circle(d=2*THICK+AXLE);
-            translate([AXLE/2+THICK, -LENGTH+AXLE/2]) circle(d=AXLE+TOL);
-            translate([THICK, -LENGTH+AXLE/2]) square([AXLE, THICK]);
-            translate([AXLE/2+THICK, -LENGTH+AXLE/2]) rotate(-angle) translate([-50, 0]) square(100, 100);
-        }
-        translate([AXLE/2+THICK+sin(angle)*(AXLE+THICK)/2, -LENGTH+AXLE/2-cos(angle)*(AXLE+THICK)/2]) circle(d=THICK);
-    }
-    translate([AXLE/2+THICK, 0]) cylinder(h=WIDTH+2*THICK, d=AXLE);
-}
-
-module latch_catch(WIDTH=width, THICK=thickness, AXLE=axle, CLEAR=clearance, TOL=tolerance) {
-    center = AXLE/2+CLEAR;
-    translate([WIDTH/2+THICK+TOL, AXLE/2, center]) rotate([0, -90, 0]) cylinder(h=WIDTH+2*THICK+2*TOL, d=AXLE);
-    translate([WIDTH/2+TOL, 0, 0]) cube([THICK, AXLE, center]);
-    translate([-WIDTH/2-THICK-TOL, 0, 0]) cube([THICK, AXLE, center]);
-}
-
-translate([0, 0, 8.2]) rotate([0, 90, 0]) {
-    translate([-8.2, -20, 0]) cube([16.4, 24.25, 3]);
-    translate([0, 0, 3]) latch_top();
-    translate([0, -20, 3]) latch_catch();
-}
-translate([20, 0, 0]) latch_tongue();