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add help triangle for motorholder, new horizontal angle bracket

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lukas 2020-12-30 22:47:25 +01:00
parent bb11924fa8
commit 502952c7d3
1 changed files with 92 additions and 0 deletions
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horizontal_angle_bracket.scad Normal file
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$fn=33;
height=40;
hwidth=40;
thickness=5;
vthickness=20;
vwidth=40.3;
vheight=80;
M3HoleDiam=3.4;
holedistance=10;
horizontalcenterholes=true;
difference() {
frame();
holes();
}
module frame(){
// left tile
cube([hwidth,thickness,height]);
translate([0,thickness,0]) sidetriangle();
translate([0,thickness,height - thickness]) sidetriangle();
// left to back tile
translate([hwidth,0,0]) cube([thickness, vthickness, height]);
// left triangle
translate([hwidth,thickness,height]) rotate([90, 0, 90]) middletriangle();
// covers upper edge of above
translate([hwidth, vthickness, 0]) cube([vwidth + thickness * 2, thickness, vheight]);
// right to back tile
translate([hwidth + vwidth + thickness,0,0]) cube([thickness, vthickness, height]);
// right triangle
translate([hwidth + vwidth + thickness,thickness,height]) rotate([90, 0, 90]) middletriangle();
// right tile
translate([hwidth + vwidth + thickness * 2, 0, 0]) cube([hwidth,thickness,height]);
translate([hwidth * 2 + vwidth + thickness * 2,thickness,thickness]) rotate([0, 180,0 ]) sidetriangle();
translate([hwidth * 2 + vwidth + thickness * 2,thickness,height]) rotate([0, 180,0 ]) sidetriangle();
}
module middletriangle(){
linear_extrude(thickness) polygon([[0,0], [vthickness-thickness, 0], [vthickness-thickness, vheight-height]]);
}
module sidetriangle() {
linear_extrude(5) polygon([[0,0], [hwidth, 0], [hwidth, vthickness]]);
}
module holes() {
// left holes
leftholes();
// right holes
translate([hwidth + vwidth + thickness * 2,0,0]) leftholes();
// center holes
translate([hwidth + thickness,vthickness,0]) centerholes();
}
module leftholes(){
translate([holedistance, 0, holedistance]) XM3Hole();
translate([hwidth - holedistance, 0, holedistance]) XM3Hole();
translate([holedistance, 0, height - holedistance]) XM3Hole();
translate([hwidth - holedistance, 0, height - holedistance]) XM3Hole();
}
module centerholes() {
translate([holedistance, 0, holedistance]) XM3Hole();
translate([vwidth - holedistance, 0, holedistance]) XM3Hole();
translate([holedistance, 0, vheight - holedistance]) XM3Hole();
translate([vwidth - holedistance, 0, vheight - holedistance]) XM3Hole();
if(horizontalcenterholes){
// center holes
translate([vwidth - holedistance, 0, vheight / 2]) XM3Hole();
translate([holedistance, 0, vheight / 2]) XM3Hole();
}
}
module XM3Hole() {
rotate([270,0,0])cylinder(h=thickness, d=M3HoleDiam);
}