+module RegistrationGroove(l){
+ // runs along the +ve X axis for length l but at correct z pos
+ translate([0, 0, jig_main_zsz + 0.1]) {
+ rotate([90,0,90])
+ linear_extrude(height=l)
+ polygon([[-registrationgroove_width/2, 0],
+ [ +registrationgroove_width/2, 0],
+ [ 0, -registrationgroove_depth ]]);
+ }
+}
+