56 lines
1.8 KiB
OpenSCAD
56 lines
1.8 KiB
OpenSCAD
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$fn=60;
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// Physical dimensions
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EXTRUSION_WIDTH = 40;
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EXTRUSION_HEIGHT = 40;
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EXTRUSION_GROOVE_WIDTH = 8.2;
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MOTOR_WIDTH = 43.0;
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MOTOR_HEIGHT = 43.0;
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MOTOR_DEPTH = 40.0;
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MOTOR_CORNER = 4.5;
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MOTOR_SHAFT_HOLE_DIAMETER = 24;
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BOLT_HOLE_DIAMETER = 6.4; // M6
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BOLT_HOLE_HEAD_DIAMETER = 11; // M6
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MGN_RAIL_WR = 12;
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MGN_RAIL_HR = 8;
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F688ZZ_D = 16;
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// Parameters
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CORNER_SIZE = 5.0; // Part corner size
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MOTOR_TO_BORDER_CLEARANCE = 5.0;
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CHAMFER_SIZE = 1;
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EXTRUSION_BORDER_CLEARANCE = 4; // Distance between extrusion and part borders
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EXTRUSION_GROOVE_SLIDE_CLEARANCE = 0.2; // Slide to groove clearance
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EXTRUSION_GROOVE_SLIDE_DEPTH = 2; // Slide depth
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// Variables
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total_width = EXTRUSION_WIDTH - EXTRUSION_BORDER_CLEARANCE + MOTOR_WIDTH + MOTOR_TO_BORDER_CLEARANCE;
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total_height = EXTRUSION_HEIGHT - EXTRUSION_BORDER_CLEARANCE + MOTOR_HEIGHT + MOTOR_TO_BORDER_CLEARANCE;
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//minkowski()
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{
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linear_extrude(8 - CHAMFER_SIZE)
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difference()
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{
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hull()
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{
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square([EXTRUSION_WIDTH + 3, EXTRUSION_HEIGHT + 3]);
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translate([EXTRUSION_WIDTH + MOTOR_WIDTH / 2, EXTRUSION_HEIGHT + MOTOR_HEIGHT / 2]) circle(F688ZZ_D/2 + MOTOR_TO_BORDER_CLEARANCE);
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}
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translate([-1, -1]) square([EXTRUSION_WIDTH + 1, EXTRUSION_HEIGHT +1]);
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translate([EXTRUSION_WIDTH + MOTOR_WIDTH / 2, EXTRUSION_HEIGHT + MOTOR_HEIGHT / 2]) circle(F688ZZ_D/2);
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translate([EXTRUSION_WIDTH / 2 - MGN_RAIL_WR / 2, EXTRUSION_HEIGHT - 1]) square([MGN_RAIL_WR, MGN_RAIL_HR + 1]);
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square([EXTRUSION_WIDTH / 2 - MGN_RAIL_WR / 2, EXTRUSION_HEIGHT + MGN_RAIL_HR + 10]);
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square([EXTRUSION_WIDTH + 10, EXTRUSION_BORDER_CLEARANCE]);
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}
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translate([CHAMFER_SIZE, CHAMFER_SIZE]) cylinder(CHAMFER_SIZE,CHAMFER_SIZE,0);
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}
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