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93 lines
3.0 KiB
93 lines
3.0 KiB
/////////////////////////////////////////////////////////////////////////////////
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// Lid for cuvette with pcb holder.
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//
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// Author: Maximilian Stiefel
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// Last modification: 12.06.2017
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/////////////////////////////////////////////////////////////////////////////////
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include <roundy.scad>
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use <roundy.scad>
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/////////////////////////////////////////////////////////////////////////////////
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// Vars
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/////////////////////////////////////////////////////////////////////////////////
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// Allowance
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allowance05 = 0.5;
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allowance1 = 1;
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allowance2 = 2;
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// Dimensions cuvette
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glass_thickness = 6;
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cuvette_width = 180 + 2*glass_thickness + allowance2;
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cuvette_depth = 50 + 2*glass_thickness + allowance2;
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// Dimensions lid
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lid_thickness = 4;
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lid_width = 180 + 2*glass_thickness + 2*lid_thickness + allowance2;
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lid_depth = 50 + 2*glass_thickness + 2*lid_thickness + allowance2;
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lid_height = 20;
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// Dimensions holder heater
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heater_diameter = 25 + allowance1;
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heater_offset = 50;
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heater_pos = -lid_width/2 + heater_diameter/2 + 2*lid_thickness + 3;
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// Dimensions slot for the PCB holder arms
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slot_width = lid_width - heater_diameter - 2*lid_thickness - 20;
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slot_depth = 8;
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slot_height = 1.5 * lid_height;
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slot_pos = heater_pos + heater_diameter/2 + lid_thickness + 3;
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// Dimensions service holes for temp. sensor and air tube
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service_hole_width = 10;
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service_hole_depth = 10;
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service_hole_height = lid_height;
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// My color for everything
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myColor = "FireBrick";
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/////////////////////////////////////////////////////////////////////////////////
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// Action
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/////////////////////////////////////////////////////////////////////////////////
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color(myColor)
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difference()
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{
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union()
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{
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// Basic lid
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translate([0, 0, lid_height/2])
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roundy(lid_width, lid_depth, lid_height, true);
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//cube([lid_width, lid_depth, lid_height], center = true);
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translate([heater_pos, 0, lid_height - 1])
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cylinder(h = heater_offset + 1, r = heater_diameter/2 + lid_thickness);
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translate([-lid_width/2 + 5, -lid_depth/2 + 2, lid_height/2])
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rotate([90, 0, 0])
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linear_extrude(height = 6, center = true, convexity = 10, twist = 0)
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union()
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{
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translate([0, 4, 0])
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text("Embedded Etcher", size = 6, valign = "center");
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translate([0, -4, 0])
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text("Revision 1.0", size = 6, valign = "center");
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}
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}
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union()
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{
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// Depening to put it over the cuvette
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translate([0, 0, lid_height/2 - lid_thickness])
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cube([cuvette_width, cuvette_depth, lid_height], center = true);
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// Hole for heater
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translate([heater_pos, 0, -1])
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cylinder(h = heater_offset + lid_height + 2, r = heater_diameter/2);
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// Slot for the PCB holder arms
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translate([slot_pos, -slot_depth/2, 0])
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cube([slot_width, slot_depth, slot_height], center = false);
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// Service holes
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translate([-lid_width/2 + lid_thickness + 5, -lid_depth/2 + lid_thickness + 3, (1/2)*lid_height])
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cube([service_hole_width, service_hole_depth, service_hole_height]);
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translate([lid_width/2 - lid_thickness - service_hole_width -5, -lid_depth/2 + lid_thickness + 3, (1/2)*lid_height])
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cube([service_hole_width, service_hole_depth, service_hole_height]);
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}
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}
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