1include <BOSL/constants.scad>
2use <BOSL/masks.scad>
3use <fonts/Rubik-VariableFont_wght.ttf>
4
5// Start config
6// Pi Board
7pi_board_size = [51,21]; //mm
8pi_board_screw_holes_center_from_board_edge_distance = [3.7/2/*3.7 is the difference between screen and pi pcb height 21-24.7 */+4.8,2]; //mm
9pi_board_screw_holes_diameter = 2.1; //mm
10pi_board_padding = 1; //mm
11
12// Screen
13screen_pcb_size = [24.7,27,13.3]; //mm (+- 0.2) 13.3mm are pin headers.
14screen_pcb_screw_holes_center_from_board_edge_distance = 2.1; //mm
15screen_pcb_screw_holes_diameter=2.8; //mm
16screen_pcb_screw_holes_spacing=[20.5,23]; //mm
17active_screen_area = [24.7,16.9,3.5]; //mm (old: 13.86)
18active_screen_area_offset_from_corner = [0,5.08]; //mm
19
20// Screws
21m2_screw_head_size = [4,4,1];
22
23// Text Position
24text_offset_from_corner = [5.5,3.7];
25text_size = 4.2;
26text_depth = 1; //mm
27
28
29// Misc
30walls_thickness = 2; //mm
31rounding_radius=1.5; //mm
32
33resolution = 80;
34// End config
35
36// Modules
37module sector(radius, angles, fn = resolution) {
38 r = radius / cos(180 / fn);
39 step = -360 / fn;
40
41 points = concat([[0, 0]],
42 [for(a = [angles[0] : step : angles[1] - 360])
43 [r * cos(a), r * sin(a)]
44 ],
45 [[r * cos(angles[1]), r * sin(angles[1])]]
46 );
47
48 difference() {
49 circle(radius, $fn = fn);
50 polygon(points);
51 }
52}
53
54module arc(radius, angles, width = 1, fn = resolution) {
55 difference() {
56 sector(radius + width, angles, fn);
57 sector(radius, angles, fn);
58 }
59}
60
61// Modeling
62difference(){
63// Body
64cube(size=[pi_board_size.x+2*pi_board_padding,screen_pcb_size.x+2*pi_board_padding,walls_thickness]);
65 // Fillet Edge
66 fillet_mask_z(l=walls_thickness, r=rounding_radius, align=V_UP, $fn=resolution);
67
68 translate([pi_board_size.x+2*pi_board_padding,screen_pcb_size.x+2*pi_board_padding,0])
69 fillet_mask_z(l=walls_thickness, r=rounding_radius, align=V_UP, $fn=resolution);
70
71 translate([pi_board_size.x+2*pi_board_padding,0,0]) fillet_mask_z(l=walls_thickness, r=rounding_radius, align=V_UP, $fn=resolution);
72
73 translate([0,screen_pcb_size.x+2*pi_board_padding,0]) fillet_mask_z(l=walls_thickness, r=rounding_radius, align=V_UP, $fn=resolution);
74 // Screen
75 translate([pi_board_size.x/2+screen_pcb_size.x/2+pi_board_padding,screen_pcb_size.x/2+pi_board_padding,0])
76 translate([-screen_pcb_size.x,-active_screen_area.y/2,0])
77 cube([screen_pcb_size.x,active_screen_area.y,walls_thickness]);
78 // Screws + Heads
79 translate([pi_board_screw_holes_center_from_board_edge_distance.y+pi_board_padding,pi_board_screw_holes_center_from_board_edge_distance.x+pi_board_padding,0]) cylinder(walls_thickness,pi_board_screw_holes_diameter/2,pi_board_screw_holes_diameter/2,$fn=resolution);
80
81 translate([pi_board_screw_holes_center_from_board_edge_distance.y+pi_board_padding,pi_board_screw_holes_center_from_board_edge_distance.x+pi_board_padding,walls_thickness-m2_screw_head_size.z]) cylinder(m2_screw_head_size.z,m2_screw_head_size.x/2,m2_screw_head_size.x/2,$fn=resolution);
82
83 translate([pi_board_screw_holes_center_from_board_edge_distance.y+pi_board_padding,screen_pcb_size.x-pi_board_screw_holes_center_from_board_edge_distance.x+pi_board_padding,0]) cylinder(walls_thickness,pi_board_screw_holes_diameter/2,pi_board_screw_holes_diameter/2,$fn=resolution);
84
85 translate([pi_board_screw_holes_center_from_board_edge_distance.y+pi_board_padding,screen_pcb_size.x-pi_board_screw_holes_center_from_board_edge_distance.x+pi_board_padding,walls_thickness-m2_screw_head_size.z]) cylinder(m2_screw_head_size.z,m2_screw_head_size.x/2,m2_screw_head_size.x/2,$fn=resolution);
86
87 translate([pi_board_size.x-pi_board_screw_holes_center_from_board_edge_distance.y+pi_board_padding,pi_board_screw_holes_center_from_board_edge_distance.x+pi_board_padding,0]) cylinder(walls_thickness,pi_board_screw_holes_diameter/2,pi_board_screw_holes_diameter/2,$fn=resolution);
88
89 translate([pi_board_size.x-pi_board_screw_holes_center_from_board_edge_distance.y+pi_board_padding,pi_board_screw_holes_center_from_board_edge_distance.x+pi_board_padding,walls_thickness-m2_screw_head_size.z]) cylinder(m2_screw_head_size.z,m2_screw_head_size.x/2,m2_screw_head_size.x/2,$fn=resolution);
90
91 translate([pi_board_size.x-pi_board_screw_holes_center_from_board_edge_distance.y+pi_board_padding,screen_pcb_size.x-pi_board_screw_holes_center_from_board_edge_distance.x+pi_board_padding,0]) cylinder(walls_thickness,pi_board_screw_holes_diameter/2,pi_board_screw_holes_diameter/2,$fn=resolution);
92
93 translate([pi_board_size.x-pi_board_screw_holes_center_from_board_edge_distance.y+pi_board_padding,screen_pcb_size.x-pi_board_screw_holes_center_from_board_edge_distance.x+pi_board_padding,walls_thickness-m2_screw_head_size.z]) cylinder(m2_screw_head_size.z,m2_screw_head_size.x/2,m2_screw_head_size.x/2,$fn=resolution);
94 }
95
96 translate([text_offset_from_corner.x+text_size,text_offset_from_corner.y,walls_thickness]) rotate ([0,0,90]) linear_extrude(height = text_depth) { text("pTuna",font = "Rubik-VariableFont_wght:style=Bold",size = text_size);
97 }
98 relative_sub_text_size = text_size*0.5;
99 translate([text_offset_from_corner.x+text_size+relative_sub_text_size+1,text_offset_from_corner.y+5,walls_thickness]) rotate ([0,0,90]) linear_extrude(height = text_depth) { text("by OnTake",font = "Rubik-VariableFont_wght:style=Bold",size = relative_sub_text_size);
100 }