popufare/experiment/production/housing/v-alfalfa-sprout/PopufareHousingBackLipAttachment.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.
//

include <PopufareHousingCommon.scad>

module PopufareHousingBackLipAttachmentPlate() {
  de = POPUFARE_BRACKET_DE;

  w = POPUFARE_HOUSING_WIDTH;
  h = POPUFARE_HOUSING_BACK_LIP_SPACE + POPUFARE_HOUSING_BACK_LIP_INSET;
  h0 = POPUFARE_HOUSING_BACK_LIP_SPACE;
  h1 = POPUFARE_HOUSING_BACK_LIP_INSET;

  screw_ofx = POPUFARE_HOUSING_BACK_LIP_SCREW_OFFSET_SIDE_X;
  screw_ofy = POPUFARE_HOUSING_BACK_LIP_SCREW_OFFSET_BACK_Y;
  screw_dx = POPUFARE_HOUSING_BACK_LIP_SCREW_DX;
  screw_r = _LIP_SCREW_D/2;

  br = POPUFARE_BRACKET_D/2.0;
  bx = POPUFARE_BRACKET_CX;


  difference() {
    union() {
      square([w,h], center=true);
    }

    // helper to see where lip is
    //
    translate([-w/2, h/2 - h0]) square([4,1], center=true);
    translate([ w/2, h/2 - h0]) square([4,1], center=true);

    // lip screw attachments (1/4 inch bolt)
    //
    translate([ -screw_dx/2, (h/2 - screw_ofy) ]) circle(screw_r);
    translate([  screw_dx/2, (h/2 - screw_ofy) ]) circle(screw_r);

    // bracket to back plate
    //
    translate([ 0, (h/2 - h0 - bx)]) circle(br);

    // bracket to side plates
    //
    translate([ -(w/2 - bx), (h/2 - h0 - h1/2)]) circle(br);
    translate([  (w/2 - bx), (h/2 - h0 - h1/2)]) circle(br);

  }

}