wall = 1.5;
-cyl_r = 8 + 0.8;
+cyl_r = 8 + 0.5;
cyl_x = 26.4 / 2;
cyl_h = 8; // above pcb, max 13.8;
-pcb_x = 45.6 + 1.5;
-pcb_y = 20.2 + 1.3;
+pcb_x = 45.6 + 1.2;
+pcb_y = 20.2 + 1.0;
xtal_h = 5;
pcb_supp = 3; // side support thickness
pcb_h = 8; // 1.2 + space for connector etc