diff --git a/cw.scad b/cw.scad
index 25d9c6e..778157f 100644
--- a/cw.scad
+++ b/cw.scad
@@ -49,9 +49,17 @@ module print_specs() {
 	C = Cnf * 10^-9;
 	ENL = 2*N*Epk - 2*N*Vf;
 	VSLOPE = (4*N^3 + 3*N^2 - N) / (2 * PI * F * C);
+
+	cwvol = 54*PI*(45/2)^2;
+	gvol = 54*((9/2)^2 * PI + 10 * 9);
+	fvol = 40*38*7;
+	tvol = (2*cwvol + gvol + fvol)/1000;
+	
+
 	echo("Eout = ", ENL);
 	echo("VSLOPE = ", VSLOPE);
 	echo("VDrop = ", VSLOPE * Io);
+	echo("Inner Volume: ", tvol, "mL");
 }
 
 module terminal(bl=Bolt_Length, bz=Bolt_Offset-Bolt_Length, align=V_BOTTOM, orient=ORIENT_Z) {