pegslopv = 0.5;
pegslopl = 0.5;
-pegdepthproportion = 0.67;
+pegdepthproportion = 0.80;
// computed
side = minsidein + screwcsinkdia + minsideout;
cylinder(r=screwcsinkdia/2 / (sqrt(3)/2), h=100, $fn=6);
}
+module PegTemplate(){
+ for (mx=[0,1]) for (my=[0,1]) {
+ mirror([mx,0,0]) mirror([0,my,0])
+ polygon([[-0.1, -0.1],
+ [pegstem/2, -0.1],
+ [pegstem/2, pegstemheight/2],
+ [peghead/2, pegheight /2],
+ [-0.1, pegheight /2]]);
+ }
+}
+
+module AtSides(){
+ translate([minx,0,0]) child(0);
+ translate([maxx,0,0]) mirror([1,0,0]) child(1);
+}
+
+module BlockPegSlot(){
+ translate([recessblockwidth/2, pegrecess - 0.5*peglen, -height]){
+ rotate([-90,0,0]) linear_extrude(height=totaldepth){
+ PegTemplate();
+ }
+ }
+}
+
module Block(){
sidemidx = minsideout + screwcsinkdia/2;
for (yshift=[-1,1])
translate([0, yshift * frontbackslop, 0])
DoKnives();
+ AtSides() { BlockPegSlot(); BlockPegSlot(); }
}
}
}
}
-module PegTemplate(){
- for (mx=[0,1]) for (my=[0,1]) {
- mirror([mx,0,0]) mirror([0,my,0])
- polygon([[-0.1, -0.1],
- [pegstem/2, -0.1],
- [pegstem/2, pegstemheight/2],
- [peghead/2, pegheight /2],
- [-0.1, pegheight /2]]);
- }
-}
-
module Peg(){
echo("peg angle slope (must be <1)",
(peghead-pegstem)/(pegheight-pegstemheight));
}
}
-module AtSides(){
- translate([minx,0,0]) child(0);
- translate([maxx,0,0]) mirror([1,0,0]) child(1);
+module CoverPegSlot(coverlen){
+ translate([recessblockwidth/2, 0, -1]){
+ linear_extrude(height= 1 + pegrecess + 0.5*peglen){
+ PegTemplate();
+ }
+ }
}
module Cover(){
- CoverTemplate();
- AtSides() { CoverSide(covershortlen); CoverSide(coverlonglen); }
+ difference(){
+ union(){
+ CoverTemplate();
+ AtSides() { CoverSide(covershortlen); CoverSide(coverlonglen); }
+ }
+ AtSides() { CoverPegSlot(); CoverPegSlot(); }
+ }
}
module CoverAligned(){
Cover();
}
+module DemoPeg(){
+ translate([recessblockwidth/2, pegrecess, -height])
+ Peg();
+}
+
module Demo(){ ////toplevel
%Block();
DoKnives();
color([0,0,1]) CoverAligned();
+ color([1,0,0]) AtSides() { DemoPeg(); DemoPeg(); }
+}
+
+module CoverParts(){ ////toplevel
+ Cover();
+ translate([0, coverlonglen, pegheight/2]) {
+ Peg();
+ translate([-peghead-3, 0,0]) Peg();
+ }
}
Demo();
//Cover();
+//Peg();