This is a case for the Bus Pirate v3.6 from Dangerous Prototypes as listed on Thingiverse to be printed on a 3D printer.
In order to compile this file to an STL you'll need OpenSCAD and also the file oshw.scad which you can find here on Thingiverse.
| include <oshw.scad> | |
| fudge_factor=0.75; | |
| board_length=60.1 + fudge_factor; | |
| board_width=37.1 + fudge_factor; | |
| board_thickness=1.65; | |
| board_corner_radius=3.3 + fudge_factor/2; | |
| board_clearance_top=0; | |
| board_clearance_bottom=2; | |
| clearance_top=2; | |
| usb_width=8.6; | |
| usb_height=4.6; | |
| cutout_header_width=20.3 + 1; | |
| cutout_header_length=8.9 + 1; | |
| header_distance_board_edge=8.5; | |
| cutout_icsp_width=4; | |
| cutout_icsp_length=14.6; | |
| icsp_distance_board_edge=3.6; | |
| cutout_leds_length=35; | |
| cutout_leds_width=3; | |
| leds_distance_board_edge=2.5; | |
| wall_strength=1.2; | |
| lip_strength=1; | |
| corner_radius=1.5; | |
| $fn=32; | |
| module rounded_box(w, l, h, r) { | |
| inner_length = l - 2 * r; | |
| inner_width = w - 2 * r; | |
| hull() { | |
| translate([-inner_width / 2, -inner_length/2, 0]) cylinder(r=r, h=h); | |
| translate([inner_width / 2, -inner_length/2, 0]) cylinder(r=r, h=h); | |
| translate([inner_width / 2, inner_length/2, 0]) cylinder(r=r, h=h); | |
| translate([-inner_width / 2, inner_length/2, 0]) cylinder(r=r, h=h); | |
| } | |
| } | |
| module case_bottom() { | |
| case_bottom_width=board_width + 2 * wall_strength; | |
| case_bottom_length=board_length + 2 * wall_strength; | |
| case_bottom_height=board_thickness + board_clearance_bottom + usb_height/2 + board_clearance_top + wall_strength; | |
| difference() { | |
| rounded_box(case_bottom_width, case_bottom_length, case_bottom_height, board_corner_radius + wall_strength); | |
| translate([0, 0, wall_strength + board_clearance_bottom]) | |
| rounded_box(board_width, board_length, case_bottom_height, board_corner_radius); // resting area | |
| translate([0, 0, wall_strength]) | |
| rounded_box(board_width - 2 * lip_strength, board_length - 2 * lip_strength, case_bottom_height, board_corner_radius - lip_strength); // board cutout | |
| // usb cutout | |
| translate([0, board_length * 0.5, usb_height/2 + wall_strength + board_clearance_bottom + board_thickness]) cube(size=[usb_width, 20, usb_height], center=true); | |
| // locks ICSP side | |
| hull() { | |
| translate([-board_width/2, -board_length/4 - 5, case_bottom_height - lip_strength / 2]) sphere(r=0.4, center=true); | |
| translate([-board_width/2, -board_length/4 + 5, case_bottom_height - lip_strength / 2]) sphere(r=0.4, center=true); | |
| } | |
| hull() { | |
| translate([-board_width/2, board_length/4 - 5, case_bottom_height - lip_strength / 2]) sphere(r=0.4, center=true); | |
| translate([-board_width/2, board_length/4 + 5, case_bottom_height - lip_strength / 2]) sphere(r=0.4, center=true); | |
| } | |
| // lock LED side | |
| hull() { | |
| translate([board_width/2, -board_length/4 - 5, case_bottom_height - lip_strength / 2]) sphere(r=0.3, center=true); | |
| translate([board_width/2, board_length/4 + 5, case_bottom_height - lip_strength / 2]) sphere(r=0.3, center=true); | |
| } | |
| } | |
| } | |
| module case_top() { | |
| usb_height_remainder = usb_height/2; | |
| // bottom part | |
| case_top_width=board_width + 2 * wall_strength; | |
| case_top_length=board_length + 2 * wall_strength; | |
| case_top_height=usb_height_remainder + wall_strength + clearance_top; | |
| // top/lip part | |
| case_top_width_lip=case_top_width - 2 * lip_strength - 0.5; | |
| case_top_length_lip=case_top_length - 2 * lip_strength - 0.5; | |
| case_top_height_lip=case_top_height + lip_strength; | |
| union() { | |
| difference() { | |
| union() { | |
| rounded_box(case_top_width, case_top_length, case_top_height, board_corner_radius + wall_strength); | |
| rounded_box(case_top_width_lip, case_top_length_lip, case_top_height_lip, board_corner_radius); | |
| } | |
| translate([0,0,wall_strength]) | |
| rounded_box(case_top_width - 2 * wall_strength - 2 * lip_strength, case_top_length - 2 * wall_strength - 2 * lip_strength, case_top_height, board_corner_radius - lip_strength); | |
| // usb cutout | |
| translate([0, board_length/2, wall_strength + clearance_top + usb_height_remainder]) cube(size=[usb_width, 20, usb_height], center=true); | |
| // header cutout | |
| translate([0,-board_length/2 + header_distance_board_edge,0]) | |
| cube(size=[cutout_header_width, cutout_header_length, 20], center=true); | |
| // ICSP cutout | |
| translate([board_width/2 - icsp_distance_board_edge, 0, -10]) | |
| rounded_box(cutout_icsp_width, cutout_icsp_length, 20, cutout_icsp_width/4); | |
| //cube(size=[cutout_icsp_width, cutout_icsp_length, 20], center=true); | |
| // LED cutout | |
| translate([-board_width/2 + leds_distance_board_edge, 0, -10]) | |
| rounded_box(cutout_leds_width, cutout_leds_length, 20, cutout_leds_width/2); | |
| // oshw logo | |
| translate([0,0,-0.4]) rotate([0,0,90]) linear_extrude(height=1) | |
| oshw_logo_2d(25); | |
| } | |
| // lock LED side | |
| hull() { | |
| translate([case_top_width/2 - wall_strength, -board_length/4 - 5, case_top_height_lip - lip_strength / 2]) sphere(r=0.2, center=true); | |
| translate([case_top_width/2 - wall_strength, -board_length/4 + 5, case_top_height_lip - lip_strength / 2]) sphere(r=0.2, center=true); | |
| } | |
| hull() { | |
| translate([case_top_width/2 - wall_strength, board_length/4 - 5, case_top_height_lip - lip_strength / 2]) sphere(r=0.2, center=true); | |
| translate([case_top_width/2 - wall_strength, board_length/4 + 5, case_top_height_lip - lip_strength / 2]) sphere(r=0.2, center=true); | |
| } | |
| // locks ICSP side | |
| hull() { | |
| translate([-case_top_width/2 + wall_strength, -board_length/4 - 5, case_top_height_lip - lip_strength / 2]) sphere(r=0.2, center=true); | |
| translate([-case_top_width/2 + wall_strength, board_length/4 + 5, case_top_height_lip - lip_strength / 2]) sphere(r=0.2, center=true); | |
| } | |
| } | |
| } | |
| case_bottom(); | |
| translate([board_width + 2 * wall_strength + 5, 0, 0]) case_top(); |
