Added Cable Holders and Desk Tray

README.md

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+# open_scad_projects
+## Cable Holder
+![Cable Holder](./images/cable_holder.png)
+
+## Cord Holder
+![Cord Holder](./images/cord_holder.png)
+
+## Desk Cable Manage
+![Cord Holder](./images/desk_cable_manage.png)

cable_holder.scad

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+$fn=10;
+
+// std dimensions 
+width = 400;
+depth = 100;
+height = 5;
+
+// front wall dimensions 
+front_wall_height = 25;
+front_wall_angle = 55;
+
+// top dimensions
+top_depth = 50;
+
+// base
+cube([width,depth,height]);
+
+// back wall
+translate([0,depth,0]){
+	rotate([90,0,0]){
+		cube([width,depth,height]);
+	}
+}
+
+// front wall
+translate([width,0,0]){
+	rotate([front_wall_angle,0,180]){
+		cube([width,front_wall_height,height]);
+	}
+}
+
+// top holder
+translate([0,depth-top_depth,depth-height])
+cube([width,top_depth,height]);
+
+
+

cord_holder.scad

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+$fn = 50;
+
+
+// CHANGE
+size = 35;
+
+
+// CONSTANTS
+diameter = size;
+hole_diameter = diameter/4;
+hole_depth = diameter;
+opening_width = diameter/9;
+
+// small top opening
+//minkowski(){
+	//sphere(1); 
+	difference(){
+		
+		// cable holding hole
+		difference(){
+			
+			// cutting bottom half of circle
+			difference(){
+				sphere(d=diameter);
+	
+				// cut with cube	
+				translate([0,0,-diameter/4]){
+					cube([diameter,diameter,diameter/2],center = true);
+				}
+			}
+			
+			// cut with cylinder
+			translate([0, hole_depth/2, diameter/3]){
+				rotate([90,0,0]){
+					cylinder(h = hole_depth, d = hole_diameter);
+				}
+			}
+		}
+		
+		// cut with small cube
+		translate([0,0,diameter/2]){
+			cube([opening_width,hole_depth,opening_width], center = true);
+		}
+	}
+//}

desk_cable_manage.scad

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+$fn = 50;
+
+// CHANGE
+// NO SMALLER THAN 25
+size = 50;
+
+
+// CONSTANT
+width = size;
+depth = width*(3/5);
+height = width*(2/5);
+
+hole_diameter = width/7;
+opening = width*.07;
+
+difference(){
+	difference(){
+		// cut bottom half of ellipse 
+		difference(){
+			resize([width,depth,height]){
+				sphere(1);
+			}
+				
+			translate([0,0,-height/2]){
+				cube([width,depth,height], center = true);
+			}
+		}
+		
+		translate([0,0,height/4+.25]){
+			rotate([90,0,0]){
+				cylinder(h = depth, d = hole_diameter, center = true); 
+			}
+		
+			translate([-width/4,0,0]){
+				rotate([90,0,0]){
+					cylinder(h = depth, d = hole_diameter, center = true); 
+				}
+			}
+		
+			translate([width/4,0,0]){
+				rotate([90,0,0]){
+					cylinder(h = depth, d = hole_diameter, center = true); 
+				}
+			}
+		}
+	}
+	
+	translate([0,0,height/2]){
+		cube([opening,depth,width/10], center = true);
+	}
+}