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Yesterday I fixed my keys’ clip in 9 lines in OpenSCAD:
difference() { union() { cylinder(d1=8,d2=10,3); translate([0,0,3]) cylinder(d=10,6); translate([0,0,9]) cylinder(d1=10,d2=8,3); } translate([0,0,-0.1]) cylinder(d=5.6,12.3,$fn=36);}
Replied to a post on twitter.com :
@archelina I wandered lonely as a clown, I just need an anagrind for 5 down, This limerick is a mess, That was easy to confess, I haven’t yet been to town. 🙃