linkheight=5; linkwidth=5; linklen=44+5+5; // 44 is the screw to screw distance. // though we dont print the screw holes. stepheight=8.4; // *0 to make the bar/strut that stablises the servo. steplen=8; kinklen=24; translate([0,0,stepheight]) cube([steplen,linkwidth,linkheight]); translate([steplen+kinklen,0,0]) cube([linklen-steplen-kinklen,linkwidth,linkheight]); hull() { translate([steplen,0,stepheight]) cube([1,linkwidth,linkheight]); #translate([steplen+kinklen,0,0]) cube([1,linkwidth,linkheight]); }