//5m telescopic rod holder base
//JP Hare, 3rd Feb 2023



difference () {
cube([50,25,25]);

//bolt hole I
translate ([5,12.5,-1])
rotate ([0,0,0])
cylinder (h=30, r=4.1/2, $fn=60);

//bolt hole II
translate ([45,12.5,-1])
rotate ([0,0,0])
cylinder (h=30, r=4.1/2, $fn=60);


//rod hole
translate ([25,57,25/2])
rotate ([90,0,0])
cylinder (h=50, r=17/2, $fn=60);


//thread hole
translate ([25,60,25/2])
rotate ([90,0,0])
cylinder (h=100, r=10/2, $fn=60);
}