penplotter/penplotter.scad at main · ubavic/penplotter · GitHub

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include <NopSCADlib/vitamins/extrusions.scad>
include <NopSCADlib/vitamins/extrusion_brackets.scad>
include <NopSCADlib/vitamins/stepper_motors.scad>
include <NopSCADlib/vitamins/pulleys.scad>

use <./pen_holder.scad>

$fn = 200;


module holder() {
  holder_lenght = 100;
  holder_width = 10;
  holder_base_width = 45;
  holder_base_lenght = 35;
  points = [
    [0, 0],
    [holder_base_width, 0],
    [holder_base_width + 30, holder_base_lenght],
    [holder_base_width + 30, holder_base_lenght + 30],
    [holder_base_width / 2 + holder_width / 2, holder_base_lenght + 30],
    [holder_base_width / 2 + holder_width / 2, holder_base_lenght + holder_lenght],
    [holder_base_width / 2 - holder_width / 2, holder_base_lenght + holder_lenght],
    [holder_base_width / 2 - holder_width / 2, holder_base_lenght],
    [-30, holder_base_lenght],
  ];

  color("#444444") linear_extrude(2) {
      minkowski() {
        polygon(points=points);
        circle(2);
      }
    }
}
;

module build() {

  bracket_size = extrusion_corner_bracket_size((E20_corner_bracket))[0];
  major_axis = 700;
  beam_color = "#666666";
  minor_axis_position = 140;

  translate([major_axis + NEMA_width(NEMA17_34) / 2, bracket_size + 35, 58]) rotate([90, 0, 0]) pulley(GT2x20_pulley_9);
  translate([major_axis + NEMA_width(NEMA17_34) / 2, bracket_size + 40, 58]) rotate([90, 0, 0]) NEMA(NEMA17_34);

  translate([20, bracket_size + 40, 40]) rotate([90, 0, 90]) extrusion_corner_bracket(E20_corner_bracket);
  translate([20, bracket_size, 40]) rotate([90, 0, -90]) extrusion_corner_bracket(E20_corner_bracket);
  translate([-20 + major_axis, bracket_size + 40, 40]) rotate([90, 0, 90]) extrusion_corner_bracket(E20_corner_bracket);
  translate([-20 + major_axis, bracket_size, 40]) rotate([90, 0, -90]) extrusion_corner_bracket(E20_corner_bracket);

  translate([minor_axis_position + 45 / 2, 300, 78]) rotate([90, 0, 0]) color(beam_color) extrusion(E2020, 550);

  translate([major_axis / 2, bracket_size + 20, 50]) rotate([0, 90, 0]) color(beam_color) extrusion(E2040, major_axis);

  translate([20, 150, 20]) rotate([90, 0, 0]) color(beam_color) extrusion(E4040, 300);
  translate([major_axis - 20, 150, 20]) rotate([90, 0, 0]) color(beam_color) extrusion(E4040, 300);

  translate([minor_axis_position, -10, 65]) holder();
}
;

build();