Lampclamp for my microphone arm turned webcam holder

lampclamp.scad

// lampclamp

// micarm is 10.4x10mm 

// lamp dia is ~5mm and threaded?

// pcb is 47x48mm , 4 mounting holes at 30mm apart squared 
// touch is a 15mm diameter circle

$fa=1; $fs=1;

module fake_arm() {
	
	color(c=[0.2,0.2,0.2,0.5])
	cube([11,100,11], center=true);
}

//fakearm();



module arm_hook() {
	difference() { 
		hook_shape();
		fake_arm();
	}
}

module lamp_mount() {
	difference() {
		hull() {
			cube([1,1,10]);
			translate([2.5,20,5])
			rotate([90,90,0])
			cylinder(d=10,h=1);
		}
		translate([2.5,-5,5])
		rotate([90,90,180])
		cylinder(d = 5.45, h=30);
	}
}

module pcb_screwposts() {
	difference() {
		hull() {
			translate([-12.5,-15,-2.5])
			rotate([0,-90,0])
			cylinder(d=6,h=10,center=true);
			
			translate([-7.5,-22.5,-2.5])
			rotate([0,-90,0])
			cylinder(d=6,h=.1,center=true);
	
	
			translate([-12.5,15,-2.5])
			rotate([0,-90,0])
			cylinder(d=6,h=10,center=true);
			
			translate([-7.5,24.9,-5])
			cube([.1,.1,6]);
	
		}
		
		translate([-12.5,-15,-2.5])
		rotate([0,-90,0])
		cylinder(d=2.3,h=12,center=true);

		translate([-12.5,15,-2.5])
		rotate([0,-90,0])
		cylinder(d=2.3,h=12,center=true);

	}
}

module hook_shape() {
	cube([15,50,15], center=true);
}

//fake_arm();
union() {
	arm_hook();
	translate([8,5,-5]) lamp_mount();
	pcb_screwposts();
}