Stirrup Ducts

thingiverse

I'm using these stirrups for my previous project on Thingiverse, specifically the design labeled as thing:2538901. To assemble them, you'll require four M4 x 30mm screws. I printed mine at an infill level of 70%, without adhesion, and used supports that only touched the bed. However, after printing, each stirrup needs to be rotated until they lie flat, and the most effective way to do this is with the tie straps raised.