filamentspool: Cup: add prongrib on top

diff --git a/filamentspool.scad b/filamentspool.scad
index 9f882e10dfe5b36630fca70c428629a61741aa9e..c202c77f2ce864d253844f1205d1a41bcd526b78 100644 (file)
--- a/filamentspool.scad
+++ b/filamentspool.scad
@@ -24,6 +24,8 @@ axlepadlen = 1.0;
 
 prongthick=selsz(5,7);
 prongwidth=selsz(5,5);
+prongribwidth=3;
+prongribheight=selsz(0,4);
 ratchetstep=15;
 ratchettooth=3;
 ratchettoothheight=5;
@@ -191,6 +193,9 @@ module FilamentCup() { ////toplevel
       cube([prongwidth*(2.65), prongwidth*4.2, prongthick]);
   }
 
+  translate([0, -0.2, 0])
+    cube([prongribwidth, baselen, prongthick + prongribheight]);
+
   midrad = cupwidth/2 + prongwidth/2;
 
   propshift = stalklength - overclipdepth - prongthick + propxshift;