The Pinecil is a great soldering iron, but it flops around in normal soldering iron stands and holders.
Stand: https://www.aliexpress.us/item/3256802839958414.html
Spring: https://amzn.to/3ZhlATA Hat tip to this this maker/designer for finding this spring. Its the perfect size for the Pinecil and saved me from having to find the right sized spring.
Bushing: Printed from file provided. I used supports.
The author marked this model as their own original creation.