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add weight

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This commit is contained in:
Ricardo (XenGi) Band 2023-08-05 21:31:26 +02:00
commit c67faa5b31
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6 changed files with 53 additions and 51651 deletions
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41
lower_case.scad
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@ -40,14 +40,15 @@ color("SaddleBrown") difference() {
}
cube([pololu_width, pololu_depth, pcb_thickness+0.1], center=true);
// screw holes
translate([-pololu_width/2+pololu_hole_spacing, pololu_depth/2-pololu_hole_spacing, -pcb_thickness/2-2]) cylinder(h=2, r=pololu_holes_radius);
translate([pololu_width/2-pololu_hole_spacing, pololu_depth/2-pololu_hole_spacing, -pcb_thickness/2-2]) cylinder(h=2, r=pololu_holes_radius);
translate([-pololu_width/2+pololu_hole_spacing, pololu_depth/2-pololu_hole_spacing, -pcb_thickness/2-threaded_insert_height]) cylinder(h=threaded_insert_height, d=3);
translate([pololu_width/2-pololu_hole_spacing, pololu_depth/2-pololu_hole_spacing, -pcb_thickness/2-threaded_insert_height]) cylinder(h=threaded_insert_height, d=3);
}
// TODO: make dependent on case size
translate([65, 26.75, case_bottom_thickness/2]) {
cube([10, 40, case_bottom_thickness/2+1]);
cube([72, 10, case_bottom_thickness/2+1]);
translate([65, 26, case_bottom_thickness/2]) {
translate([-7.5,30,0]) linear_extrude(case_bottom_thickness/2+1) polygon([[7.5,0], [7.5,10.75], [0,10.75]]);
cube([10, 40.75, case_bottom_thickness/2+1]);
cube([72, 11, case_bottom_thickness/2+1]);
}
// screw holes for upper case
@ -61,25 +62,21 @@ color("SaddleBrown") difference() {
translate([-case_thickness, pcb_depth-2*pcb_radius+case_thickness, 0]) cylinder(h=case_thickness+standoff_height+pcb_thickness+5, d=2);
translate([pcb_width-2*pcb_radius+case_thickness, pcb_depth-2*pcb_radius+case_thickness, 0]) cylinder(h=case_thickness+standoff_height+pcb_thickness+5, d=2);
// hole for weight
difference() {
hull() {
translate([5,5,0]) cylinder(h=2, d=10);
translate([pcb_width-2*pcb_radius-5,5,0]) cylinder(h=2, d=10);
translate([5,pcb_depth-2*pcb_radius-5,0]) cylinder(h=2, d=10);
translate([pcb_width-2*pcb_radius-5,pcb_depth-2*pcb_radius-5,0]) cylinder(h=2, d=10);
// mounting standoffs
for(i = [0 : len(mounting_holes)-1]) {
translate([mounting_holes[i][0] - pcb_radius, mounting_holes[i][1] - pcb_radius, case_bottom_thickness - 3]) union() {
translate([0,0,1]) cylinder(h=2, d=3);
cylinder(h=3, d=2);
}
translate([pcb_width/2,pcb_depth/2+1,1.8]) mirror([1,0,0]) linear_extrude(0.2) text(text="noisy cricket", size=10, font="Liberation Sans:style=Bold", halign="center");
translate([pcb_width/2,pcb_depth/2-11,1.8]) mirror([1,0,0]) linear_extrude(0.2) text(text="© XenGi 2023", size=6, font="Liberation Sans:style=Bold", halign="center");
}
}
// mounting standoffs
color("SaddleBrown") for(i = [0 : len(mounting_holes)-1]) {
translate([mounting_holes[i][0] - pcb_radius, mounting_holes[i][1] - pcb_radius, case_bottom_thickness]) difference() {
cylinder(h=standoff_height, d=4);
cylinder(h=standoff_height, d=2);
// hole for weight
hull() {
translate([5,5,0]) cylinder(h=1.5, d=10);
translate([pcb_width-2*pcb_radius-5,5,0]) cylinder(h=1.5, d=10);
translate([5,pcb_depth-2*pcb_radius-5,0]) cylinder(h=1.5, d=10);
translate([pcb_width-2*pcb_radius-5,pcb_depth-2*pcb_radius-5,0]) cylinder(h=1.5, d=10);
}
translate([pcb_width/2,pcb_depth/2+1,1.5]) mirror([1,0,0]) linear_extrude(0.2) text(text="noisy cricket", size=10, font="Liberation Sans:style=Bold", halign="center");
translate([pcb_width/2,pcb_depth/2-11,1.5]) mirror([1,0,0]) linear_extrude(0.2) text(text="© XenGi 2023", size=6, font="Liberation Sans:style=Bold", halign="center");
}