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-rw-r--r--delta.jscad44
1 files changed, 43 insertions, 1 deletions
diff --git a/delta.jscad b/delta.jscad
index b718fd4..fa33a0d 100644
--- a/delta.jscad
+++ b/delta.jscad
@@ -31,6 +31,14 @@ var CONFIG = {
hole_spacing: { x: 115, y: 92 },
h: 30
},
+ foot: {
+ d: 20*Math.sqrt(2), h: 30,
+ bolt: { d:5, l: 19, hd: 10 },
+ margin: 2.5,
+ nut: { d: 8.6 /* TODO: */, h: 3.5 },
+ shell: 4,
+ zscalefactor: 1.6
+ },
hotend: {
h: 62.4, // full assembly height
groove: { d:12, h:6 }, // grove diameter and height
@@ -82,7 +90,8 @@ var CONFIG = {
color: {
extrusion: [0.8, 0.8, 0.8, 0.8],
pcb: [ 0, 0.3, 0.2, 0.8 ],
- bulk: [ .9, .9, .9, .2 ]
+ bulk: [ .9, .9, .9, .2 ],
+ parts: [ 0, 0.8, 0, 0.9 ]
}
};
@@ -584,6 +593,38 @@ function duet() {
return rv;
}
+function foot() {
+ var F = CONFIG.foot;
+ var br = F.bolt.hd/2+F.margin;
+ var bh = F.zscalefactor*Math.sqrt(Math.pow(F.d/2,2)-Math.pow(br,2));
+ var th = F.h-bh;
+ var r = 2*F.d;
+ var rv = CSG.sphere({ // botom contorted sphere
+ center: [0,0,0], radius: F.d/2, resolution: r
+ }).scale([1,1,F.zscalefactor]).translate([0,0,bh]).union(CSG.cylinder({ // top hat
+ start: [0,0,bh], end: [0,0,F.h], radius: F.d/2, resolution: r
+ })).intersect(CSG.cylinder({ // cut off excess
+ start: [0,0,0], end: [0,0,F.h], radius: F.d
+ })).subtract([
+ CSG.cylinder({ // bolt hole
+ start: [0,0,-1], end: [0,0,F.h+1], radius: F.bolt.d/2+PRINT.slide_tolerance
+ }), CSG.cylinder({ // nut hole
+ start: [0,0,F.h-F.nut.h-PRINT.play_tolerance],
+ end: [0,0,F.h],
+ radius: F.nut.d/2+PRINT.slide_tolerance, resolution: 6
+ }), CSG.cylinder({ // bolthead/washer hole
+ start: [0,0,-1], end: [0,0,F.h-F.nut.h-PRINT.play_tolerance-F.shell],
+ radius: F.bolt.hd/2+PRINT.play_tolerance
+ })
+ ]).union(CSG.cylinder({ // bridging patch
+ start: [0,0,F.h-F.nut.h-PRINT.play_tolerance-PRINT.layer_height],
+ end: [0,0,F.h-F.nut.h-PRINT.play_tolerance],
+ radius: F.nut.d/2
+ }));
+ rv.properties.P = new CSG.Connector([0,0,F.h],[0,0,-1],[1,0,0]);
+ return rv.setColor(CONFIG.color.parts);
+}
+
function refaxes(o) {
if(!o) o = {};
var l = o.l||20, g = o.g||0.7;
@@ -600,6 +641,7 @@ function P(x) {
var PARTS = {
wip: function(params) {
+ return foot();
return union(base_extrusions(),column_extrusions(),duet());
}
};