Hello at the Openscad forum, trying my first code with a lookup function from a list, and I get a parser error: syntax error. The problem is that I cannot find what it wants from me. I copied an existing syntax, but I must be missing something because that works and mine does not. A hint with a little explanation would be really appreciated. $fn=60;//flat point set screw is according ISO 4026//cone point set screw is according ISO 4027//cup point set screw is according ISO 4029//example//iso_4026(size=1.6, length=3);pointdiameter=0;socket=1;pitch=2;//size==X ? [pointdiameter, socket, pitch]:function socketsetscrewsizes(size)=size==1.6 ? [0.8 , 0.78 , 0.35]:size==2 ? [1 , 0.98 , 0.4]:size==2.5 ? [1.5 , 1.4 , 0.45]:size==3 ? [2 , 1.66 , 0.5]:size==4 ? [2.5 , 2.23 , 0.7]:size==5 ? [3.5 , 2.8 , 0.8]:size==6 ? [4 , 3.36 , 1]:size==8 ? [5.5 , 4.5 , 1.25]:size==10 ? [7 , 5.66 , 1.5]:size==12 ? [8.5 , 6.8 , 1.75]:size==16 ? [12 , 9,1 , 2]:size==20 ? [15 , 11.44 , 2.5]:size==24 ? [18 , 13.6 , 3]:((this below is the line with the error. It puts it at the first bracket before "size"))function pointdiameter(size) = socketsetscrewsizes(size)[ pointdiameter];function socket(size) = socketsetscrewsizes(size)[ socket];function pitch(size) = socketsetscrewsizes(size)[ pitch]; pd = pointdiameter(size);s = socket(size);pitch = pitch(size);l = length;offset = (size-pd)/2;module iso_4026(size , length) {difference() {hull() {cylinder(h=l,d=pd);translate([0,0,pitch])cylinder(h=l-pitch-offset,d=size)}cylinder(h=size*s, d=s, $fn=6,center=true);} } Sent with ProtonMail secure email.