diff options
Diffstat (limited to 'hardware/enclosure')
| -rw-r--r-- | hardware/enclosure/olsndot_base.scad | 110 | ||||
| -rw-r--r-- | hardware/enclosure/olsndot_clamp_base.scad | 59 | ||||
| -rw-r--r-- | hardware/enclosure/olsndot_clamp_stoppers.scad | 20 |
3 files changed, 189 insertions, 0 deletions
diff --git a/hardware/enclosure/olsndot_base.scad b/hardware/enclosure/olsndot_base.scad new file mode 100644 index 0000000..2cea8b2 --- /dev/null +++ b/hardware/enclosure/olsndot_base.scad @@ -0,0 +1,110 @@ + +/* A small, arbitrary unit to guard against rounding errors */ +eps = 0.1; +alot = 1000; + +/* Base PCB size */ +pcb_width = 90; +pcb_height = 50; + +bottom_thickness = 1.5; + +screw_base_dia = 8; +screw_base_h = 5; +screw_nut_dia = 5.4; +screw_nut_h = 6; +screw_hole_dia = 3.5; +screw_hole_h = 6; + +module rounded_rect(w, h, r) { + hull(){ + translate([w/2-r, h/2-r]) circle(r); + translate([-(w/2-r), h/2-r]) circle(r); + translate([w/2-r, -(h/2-r)]) circle(r); + translate([-(w/2-r), -(h/2-r)]) circle(r); + } +} + +module single_screw_base() { + translate([0, 0, bottom_thickness-eps]) linear_extrude(height=screw_base_h+eps) { + circle(d=screw_base_dia); + translate([-screw_base_dia/2, 0]) square([alot, alot]); + translate([0, -screw_base_dia/2]) square([alot, alot]); + } +} + +w = pcb_width+10; +h = pcb_height; +l = 10; +r = 10; +t = 5; +b = 5; +s1_pos = [ w/2-l, h/2-b]; +s2_pos = [-w/2+r, -h/2+t]; +s3_pos = [ w/2-l, -h/2+t]; +s4_pos = [-w/2+r, h/2-b]; +module screw_bases() { + intersection() { + union() { + translate(s1_pos) single_screw_base(); + translate(s2_pos) mirror([1,1,0]) single_screw_base(); + translate(s3_pos) mirror([0,1,0]) single_screw_base(); + translate(s4_pos) mirror([1,0,0]) single_screw_base(); + } + cube([w+eps, h+eps, alot], center=true); + } +} + + +module single_screw_hole() { + translate([0, 0, bottom_thickness+screw_base_h+eps]) + mirror([0,0,1]) + union() { + cylinder(h=screw_nut_h+eps, d=screw_nut_dia); + cylinder(h=screw_hole_h+eps, d=screw_hole_dia); + } +} + +module screw_holes() { + translate(s1_pos) single_screw_hole(); + translate(s2_pos) mirror([1,1,0]) single_screw_hole(); + translate(s3_pos) mirror([0,1,0]) single_screw_hole(); + translate(s4_pos) mirror([1,0,0]) single_screw_hole(); +} + +tab_w = 20; +tab_h = 30; +tab_thickness = 3; +tab_hole_d = 9; +module screw_tab() { + difference() { + translate([-tab_h/2, -eps, 0]) cube([tab_h, tab_w+eps, tab_thickness]); + rotate([0, 0, -50]) translate([-alot/2, tab_h*0.6, -eps]) cube([alot, alot, tab_h+2*eps]); + rotate([0, 0, 50]) translate([-alot/2, tab_h*0.6, -eps]) cube([alot, alot, tab_thickness+2*eps]); + translate([0, tab_w/2, -eps]) cylinder(d=tab_hole_d, h=tab_thickness+eps*2); + } +} + +wall_height = bottom_thickness + 3; +wall_thickness = 1.5; + +cutout_w = 25; +cutout_h = 70; + +module carrier() { + union() { + difference() { + translate([0, 0, wall_height/2]) cube([w, h, wall_height], center=true); + translate([0, 0, bottom_thickness + alot/2]) cube([w-wall_thickness*2+eps, h-wall_thickness*2+eps, alot], center=true); + cube([cutout_h, cutout_w, alot], center=true); + } + difference() { + screw_bases(); + screw_holes(); + } + translate([0, h/2, 0]) screw_tab(); + mirror([0,1,0]) translate([0, h/2, 0]) screw_tab(); + } +} + +carrier($fn=25);
\ No newline at end of file diff --git a/hardware/enclosure/olsndot_clamp_base.scad b/hardware/enclosure/olsndot_clamp_base.scad new file mode 100644 index 0000000..73fba97 --- /dev/null +++ b/hardware/enclosure/olsndot_clamp_base.scad @@ -0,0 +1,59 @@ +eps = 0.01; + +module clamp(l=90, w=20, h=10, d1=40, o=10, hdia1=5, hdia2=10, hd=1, nw=7.8, nd=3, notch_sf=0.75, notch_d=5, notch_a=10, notch_o=1, edge_a=10, edge_d=22) { + translate([-h-l/2, -w/2, 0]) union() { + translate([l+h-notch_d, 0, 0]) intersection() { + difference() { + cube([d1, w, d1]); + //scale([notch_sf, 1, 1]) translate([(d1-h)/2, 0, h+(d1-h)/2]) rotate([0, -135, 0]) translate([0, -eps/2, 0]) cube([d1, w+eps, d1]); + translate([notch_d, 0, h+notch_o]) mirror([1, 0, 0]) rotate([0, notch_a, 0]) translate([0, -eps/2, 0]) cube([d1, w+eps, d1]); + } + translate([d1-edge_a, 0, d1/2]) rotate([0, -90-45, 0]) cube([2*d1, w+eps, 2*d1]); + translate([-d1-edge_d, 0]) cube([2*d1, w+eps, 2*d1]); + } + difference() { + union() { + cube ([l+h, w, h]); + cube ([h, w, d1]); + } + rotate([0, 45, 0]) translate([-l/2, -eps/2, -d1/8*7]) cube([l, w+eps, d1]); + translate([0, 0, d1]) rotate([0, 90+45, 0]) translate([-l/2, -eps/2, -d1/8*7]) cube([l, w+eps, d1]); + translate([-eps/2, w/2, d1-o]) rotate([0, 90, 0]) union() { + cylinder(d=hdia1, h=l); + cylinder(d=hdia2, h=hd); + translate([0, 0, h-nd/2]) hexagon(nw, nd+2*eps); + } + } + } +} + +module hexagon(size, height) { + boxWidth = size/1.75; + for (r = [-60, 0, 60]) rotate([0,0,r]) cube([boxWidth, size, height], true); +} + +nut_dia = 5.3; +nut_depth=5.5; +nut_off_y = 80/2; +nut_off_x = 20; + +module base($fn=25, cw=90, sw=15, sh=10, strut_spacing=30, clamp_dist=90) { + difference() { + translate([0, -clamp_dist/2, 0]) union() { + translate([0, clamp_dist, 0]) clamp(l=cw, h=sh); + /* + translate([0, 0, 0]) clamp(l=cw, h=sh); + translate([-strut_spacing/2-sw, 0, 0]) cube([sw, clamp_dist, sh]); + translate([ strut_spacing/2, 0, 0]) cube([sw, clamp_dist, sh]); + */ + } + /* + translate([nut_off_x, nut_off_y, -eps]) cylinder(d=nut_dia, h=nut_depth+eps); + translate([nut_off_x, -nut_off_y, -eps]) cylinder(d=nut_dia, h=nut_depth+eps); + translate([-nut_off_x, nut_off_y, -eps]) cylinder(d=nut_dia, h=nut_depth+eps); + translate([-nut_off_x, -nut_off_y, -eps]) cylinder(d=nut_dia, h=nut_depth+eps); + */ + } +} + +base();
\ No newline at end of file diff --git a/hardware/enclosure/olsndot_clamp_stoppers.scad b/hardware/enclosure/olsndot_clamp_stoppers.scad new file mode 100644 index 0000000..9ca8a63 --- /dev/null +++ b/hardware/enclosure/olsndot_clamp_stoppers.scad @@ -0,0 +1,20 @@ +w = 20; +h = w; +d = 5; +hole_dia = 5; +hole_d = 4; +hole_fringe = 1.5; +fringe_extra = 1.0; +eps = 0.001; + +module stopper() { + difference() { + union() { + translate([-w/2, -h/2, 0]) cube([w, h, d]); + translate([0, 0, d-eps]) cylinder(d1=hole_dia+2*hole_fringe+2*fringe_extra, d2=hole_dia+2*fringe_extra, h=hole_fringe); + } + translate([0, 0, d+hole_fringe-hole_d]) cylinder(d=hole_dia, h=hole_d+eps); + } +} + +stopper($fn=25);
\ No newline at end of file |