popufare/experiment/production/housing/v-alfalfa-sprout/PopufareHousingCommon.scad

// License: CC0
//
// To the extent possible under law, Clementine Computing LLC has waived
// all copyright and related or neighboring rights to this file.
//
// This work is published from: United States.
//

$fs = 1.0/64.0;

// ...
//

// 1/8 inch sheet thickness
//
//_MATERIAL_THICKNESS = 3.175

// 1/4 inch sheet thickness
//
_MATERIAL_THICKNESS = 6.35;

_M2 = 2.0;
_M2r = 2.0/2;

_M2_5 = 2.5;
_M2_5r = 2.5/2;

_M3 = 3.0;
_M3r = 3.0/2;

_M4 = 4.0;
_M4r = 4.0/2;

_M5 = 5.0;
_M5r = 5.0/2;

// in mm
//
POPUFARE_HOUSING_WIDTH = 263;
POPUFARE_HOUSING_FULL_DEPTH = 215;
POPUFARE_HOUSING_HEIGHT = 165;

_LIP_SCREW_D = 6.35;
POPUFARE_HOUSING_BACK_LIP_HEIGHT = 49;
POPUFARE_HOUSING_FRONT_LIP_HEIGHT = 7.25;

POPUFARE_HOUSING_BACK_LIP_DEPTH = 23;

POPUFARE_HOUSING_BACK_LIP_SCREW_DX = 145 + _LIP_SCREW_D;
POPUFARE_HOUSING_BACK_LIP_SCREW_OFFSET_SIDE_X = 30 + _LIP_SCREW_D/2;
POPUFARE_HOUSING_BACK_LIP_SCREW_OFFSET_BACK_Y = 13.75 + _LIP_SCREW_D/2;
POPUFARE_HOUSING_BACK_LIP_SPACE = POPUFARE_HOUSING_BACK_LIP_DEPTH + 10;

POPUFARE_HOUSING_BACK_LIP_INSET = 30;

POPUFARE_HOUSING_DEPTH = POPUFARE_HOUSING_FULL_DEPTH - POPUFARE_HOUSING_BACK_LIP_SPACE;

POPUFARE_SCREEN_WIDTH = 165;
POPUFARE_SCREEN_HEIGHT = 100;

POPUFARE_SCREEN_SCREW_WIDTH = 157;
POPUFARE_SCREEN_SCREW_HEIGHT = 115;

POPUFARE_GLAND_DIAMETER = 37;
POPUFARE_SCREEN_OUTER_WIDTH = 122;

POPUFARE_SCREEN_OUTER_HEIGHT = 78;

POPUFARE_FRONT_HEIGHT = 60;

POPUFARE_FIXTURE_DX = 65;
POPUFARE_FIXTURE_DY = 65;
POPUFARE_FIXTURE_SCREW_D = 7.5;

// bracket
//

// center of bracket to end
//
POPUFARE_BRACKET_CX = 20;

// screw size to fit through bracket (bracket itself is 6mm in diameter)
//
POPUFARE_BRACKET_D = 5;
POPUFARE_BRACKET_WIDTH = 16;

POPUFARE_BRACKET_DS = 100;
POPUFARE_BRACKET_DE = 40;
POPUFARE_BRACKET_DE_MEDIUM = 30;
POPUFARE_BRACKET_DE_SHORT = 20;

// buck
//

POPUFARE_BUCK_HOLE_WIDTH0 = 53.6 + (59.8-53.6)/2;
POPUFARE_BUCK_HOLE_WIDTH1 = 39 + (45-39)/2;

POPUFARE_BUCK_HOLE_LEN1 = 6.2;
POPUFARE_BUCK_HOLE_R = 3.0/2;

POPUFARE_BUCK_WIDTH = 49.8;
POPUFARE_BUCK_HEIGHT = 52.9;
POPUFARE_BUCK_HOLE_DH = 25 + (6.25)/2 - 3.0/2;

// 117 - 111 = 6
// 111 + 3 = 114
//
// 87 - 81 = 6
// 81 + 3 = 84

// inner plates
//
POPUFARE_INNER_PLATE_WIDTH = 90;
POPUFARE_INNER_PLATE_HEIGHT = 70;

//POPUFARE_INNER_PLATE_HOLE_WIDTH = POPUFARE_SCREEN_OUTER_WIDTH + 0;
//POPUFARE_INNER_PLATE_HOLE_HEIGHT = POPUFARE_SCREEN_OUTER_HEIGHT + 20;

POPUFARE_INNER_PLATE_HOLE_WIDTH = 114;
POPUFARE_INNER_PLATE_HOLE_HEIGHT = 84;

//POPUFARE_SPEAKER_HOLE_R = 2.5/2;
//POPUFARE_SPEAKER_HOLE_WIDTH = 34.5 + ((39.5 - 34.5) / 2);


// diagonal inner: 59.5
// diagonal outer: 65.5
// diagonal screw: 62.5
// length/width = sqrt(2)*62.5/2
//
// diagonal inner: 55.0
// diagonal outer: 65.0
// diagonal screw: 60.0
// length/width = sqrt(2)*60/2
//
POPUFARE_SPEAKER_HOLE_R = 4.5/2;
POPUFARE_SPEAKER_HOLE_WIDTH = sqrt(2)*60.0/2;
POPUFARE_SPEAKER_HOLE_HEIGHT = sqrt(2)*60.0/2;

// Raspberry Pi measurements
//
_RASPBERRY_PI_B_HOLE_DX = 58;
_RASPBERRY_PI_B_HOLE_DY = 48;

_SCREEN_HOLE_DX = 93;
_SCREEN_HOLE_DY = 69;


// Center for raspberry pi from screen
// that sits on top of it.
//
_SCREEN_OUTER_CENTER = [ POPUFARE_SCREEN_OUTER_WIDTH/2, POPUFARE_SCREEN_OUTER_HEIGHT/2 ];

// offset of left screen m2 screws
// as seen from the back, front ribbon down
//
_SCREEN_LL_M2_C = [ 5,5 ];
_SCREEN_UL_M2_C = [ 5, POPUFARE_SCREEN_OUTER_HEIGHT - 4 ];

_SCREEN_CX = _SCREEN_HOLE_DX/2 + _SCREEN_LL_M2_C[0] - _SCREEN_OUTER_CENTER[0];
_SCREEN_CY = _SCREEN_HOLE_DY/2 + _SCREEN_LL_M2_C[1] - _SCREEN_OUTER_CENTER[1];

_RASPBERRY_PI_B_CX = (_SCREEN_HOLE_DX - _RASPBERRY_PI_B_HOLE_DX/2) + _SCREEN_LL_M2_C[0] - _SCREEN_OUTER_CENTER[0];
_RASPBERRY_PI_B_CY = (_SCREEN_HOLE_DY - _RASPBERRY_PI_B_HOLE_DY/2) + _SCREEN_LL_M2_C[1] - _SCREEN_OUTER_CENTER[1];


// Bounding box width of rouned rect is w and h,
// so this function compensates for the rounded corner
// radius.
//
// w - width or rectangle
// h - height of rectangle
// r - corner radius
//
// rounded rectangle has center of mass (center) at (0,0)
//
module rounded_rect(w,h,r) {
  _w = w-2*r;
  _h = h-2*r;
  
  x2 = _w/2;
  y2 = _h/2;
  
  hull() {
    translate([-x2, y2]) circle(r);
    translate([ x2, y2]) circle(r);
    translate([ x2,-y2]) circle(r);
    translate([-x2,-y2]) circle(r);
  }
}


// adapter dimensions
//

_POWER_CONNECTOR_WIDTH = 36.5;
_POWER_CONNECTOR_HEIGHT = 10.5;
_POWER_CONNECTOR_DEPTH = 14.5;

_POWER_USB_HOLE_DW = 9.11 + (15.11-9.11)/2;
_POWER_USB_HOLE_R = 3/2;

_PIU_USB_HOLE_DW = 9.25 + (12.5-9.25)/2;
_PIU_USB_HOLE_DE = 8.5;
_PIU_USB_HOLE_R = 2/2;
_PIU_USB_WIDTH = 12;

_POWER_BOX_R = 3/2;
_POWER_BOX_WIDTH = _POWER_CONNECTOR_WIDTH + 12*_POWER_BOX_R;
_POWER_BOX_HEIGHT = 3*_POWER_CONNECTOR_WIDTH + 12*_POWER_BOX_R;

_POWER_BOX_PIU_USB_H = -_POWER_BOX_HEIGHT/4;


_POWER_BOX_STRAP_DW = 18;
_POWER_BOX_STRAP_DH = 22;
_POWER_BOX_STRAP_R = 3/2;