1 files changed, 22 insertions, 1 deletions
diff --git a/mech/pcb_case/nut.scad b/mech/pcb_case/nut.scad
index bfd5b3d..407ab09 100644
--- a/mech/pcb_case/nut.scad
+++ b/mech/pcb_case/nut.scad
@@ -1,9 +1,30 @@
 nut_h = 3;
 nut_d = 4.15;
 nut_r = nut_d / 2;
+nut_d_tol = 0.5;
 
 module nut() {
 	cylinder(d=nut_d,h=nut_h);
 }
 
-nut();
+module nut_tolerance_test() {
+	steps = 3;
+	step_width = 0.1;
+
+	for(i = [-steps : steps]) {
+		tol = nut_d_tol + i * step_width;
+		translate([i*5*nut_d,0,0])
+			difference() {
+				cube([5*nut_d, 5*nut_d, 2*nut_h]);
+				translate([2.5*nut_d,2.5*nut_d,0]) {
+					union() {
+						cylinder(d=nut_d,h=2*nut_h,$fn=50);
+						translate([0,0,nut_h])
+							cylinder(d=nut_d_tol+nut_d,h=nut_h,$fn=50);
+					}
+				}
+			}
+	}
+}
+
+nut_tolerance_test();