mech: pcb_case: Set $fn variables for cylinders

This special variable decides on the level of detail these cylinders are
rendered with. Since this depends also on the size and thus on the
individual cylinder it is also set per cylinder individually.

2 files changed, 8 insertions, 7 deletions

diff --git a/mech/pcb_case/rounded_cube.scad b/mech/pcb_case/rounded_cube.scad
index 5f1dcee..acd50e7 100644
--- a/mech/pcb_case/rounded_cube.scad
+++ b/mech/pcb_case/rounded_cube.scad
@@ -5,7 +5,8 @@ module rounded_cube(dim, radius) {
 
 	hull() {
 		for (y=range_y, z=range_z) {
-			translate([0,y,z]) rotate([0,90,0]) cylinder(r=radius, h=height);
+			translate([0,y,z]) rotate([0,90,0])
+				cylinder(r=radius, h=height, $fn=30);
 		}
 	}
 }
diff --git a/mech/pcb_case/shell.scad b/mech/pcb_case/shell.scad
index ff34061..e7fe345 100644
--- a/mech/pcb_case/shell.scad
+++ b/mech/pcb_case/shell.scad
@@ -20,7 +20,7 @@ module shell_base(dim, t) {
 		for (x = [dim[0]/4, dim[0]-dim[0]/4]) {
 			translate([x,0,dim[2]/2-1.5*bolt_d])
 				rotate([-90,0,0])
-					cylinder(r=bolt_r, h=1.1*t);
+					cylinder(r=bolt_r, h=1.1*t, $fn=30);
 		}
 	}
 }
@@ -39,14 +39,14 @@ module shell_connector(dim, t) {
 		for (x = [dim[0]/4, dim[0]-dim[0]/4]) {
 			translate([x,dim[1]-t,dim[2]/2+1.5*bolt_d])
 				rotate([90,0,0])
-					cylinder(r=bolt_r, h=size_y);
+					cylinder(r=bolt_r, h=size_y, $fn=30);
 		}
 
 		// nut holes
 		for (x = [dim[0]/4, dim[0]-dim[0]/4]) {
 			translate([x,dim[1]-t-size_y,dim[2]/2+1.5*bolt_d])
 				rotate([-90,0,0])
-					cylinder(r=nut_r, h=nut_h);
+					cylinder(r=nut_r, h=nut_h, $fn=30);
 		}
 	}
 
@@ -61,13 +61,13 @@ module pcb_case_shell(dim, t, h, sockets) {
 			for (socket = sockets) {
 				echo(socket=socket);
 				translate([socket[0], socket[1], 0])
-					cylinder(d=nut_d+2, h=h);
+					cylinder(d=nut_d+2, h=h, $fn=30);
 			}
 		}
 		for (socket = sockets) {
 			translate([socket[0], socket[1], 0]) {
-				cylinder(d=bolt_d, h=h);
-				cylinder(d=0.9*nut_d, h=nut_h);
+				cylinder(d=bolt_d, h=h, $fn=30);
+				cylinder(d=0.9*nut_d, h=nut_h, $fn=30);
 			}
 		}
 	}