Wonderjune 24 Pack Action Figure Stand Model Support Stand Clear Doll Base Assembly Action Figure Display Holder Base with Screwdriver Compatible HG/RG 1/144 Toy, Transparent(9 Inches)

These are the ones I use. To me, they are the most cost effective and versatile. They can be a bit finicky to work with, but a cheap bottle of clear nail polish is usually enough to tighten up any loose connections. https://a.co/d/07H5viYe They are what I used for the majority of the ships in my battle display.