I like watching Roelf Vorster's AirTac Hunting videos. He has a link to 3D printable parts that he designed and I thought I would post the link here for those who weren't aware of this very nice thing that he has done.
https://drive.google.com/drive/folders/1EBNjuhuUq2PAWZDdP16Qbd37Xtb47h2w
https://drive.google.com/drive/folders/1EBNjuhuUq2PAWZDdP16Qbd37Xtb47h2w