-maindia = 28.4;
+maindia = 29.2;
poleholeh = 5.0;
polecovth = 0.4;
poleholerad = 6;
translate([-maindia/2, 0, 0])
polygon(points=[[hooklessdepth, 0],
[hookfullw, 0],
- [hookfullw, hookheight],
+ [hookfullw*0.33, hookheight],
[0, hookheight],
[0, hooklessdepth]]);
}