+module TestSelectPropRecesses(posns){
+ linextr(-100,100){
+ translate([phone_width/2, -phone_height]){
+ square([ 3, 500 ], center=true);
+ for (y=posns)
+ hull()
+ for (dy=[ -prp5[0], -prp2[0] ])
+ translate([0,y+dy])
+ square([prop_main_width+5, 5], center=true);
+ }
+ }
+}
+