mech: pcb_case: Move tolerance test for nut to own file

That way it is easier to get that the test is built and not nut when
building the corresponding file.

3 files changed, 24 insertions, 23 deletions

diff --git a/mech/mech.mk b/mech/mech.mk
index c92ef7b..aa58d95 100644
--- a/mech/mech.mk
+++ b/mech/mech.mk
@@ -1,5 +1,5 @@
 MECH_BUILD_DIR := $(BUILD_DIR)/mech
-PARTS := bottom top back front pcb_case/nut
+PARTS := bottom top back front pcb_case/nut_tolerance_test
 STL := $(PARTS:%=$(MECH_BUILD_DIR)/%.stl)
 GCODE := $(PARTS:%=$(MECH_BUILD_DIR)/%.gcode)
 
diff --git a/mech/pcb_case/nut.scad b/mech/pcb_case/nut.scad
index 407ab09..b7916d3 100644
--- a/mech/pcb_case/nut.scad
+++ b/mech/pcb_case/nut.scad
@@ -6,25 +6,3 @@ nut_d_tol = 0.5;
 module nut() {
 	cylinder(d=nut_d,h=nut_h);
 }
-
-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();
diff --git a/mech/pcb_case/nut_tolerance_test.scad b/mech/pcb_case/nut_tolerance_test.scad
new file mode 100644
index 0000000..b67166a
--- /dev/null
+++ b/mech/pcb_case/nut_tolerance_test.scad
@@ -0,0 +1,23 @@
+include <nut.scad>
+
+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();