//folded dipole former //8th Aug 2021 version 2 //sizes from www.changpuak.ch/ // 213mm total length // 99 mm tip to tip //ca. 1 hour // NOTE: reduced radius and 'stop' by 0.1 mm b'cos of thickness // of printed 3D filament //main base cube([110,40,2]); //end curve I translate ([(110-85.3)/2,20,0]) cylinder (h=8, r=(6.8-.1), $fn=90); //end curve II translate ([85.3+(110-85.3)/2,20,0]) cylinder (h=8, r=(6.8-.1), $fn=90); //meet in the middle place translate ([55,5,0]) cube([(2.1-.1),10,6]); //top support translate ([30,25,0]) cube([(50),2,8]); //version 4 markers for (i=[1:3:6]) translate ([15+i,2,0]) cylinder (h=3, r=1, $fn=90);