32mm lipped round base adapter that fits 25mm bases

thingiverse

This is a compact 32mm adapter designed to upgrade wargames miniatures from standard 25mm round bases. It seamlessly transforms the 25mm base into a sturdy 32mm round lipped base. Simply insert the 25mm base and you're ready to go - it fits snugly with no need for glue or additional support. For optimal results, print these adapters in black material; they'll be ready to use without any painting required. As shown, this adapter effortlessly accommodates a Citadel 25mm base used in Warhammer games, allowing for easy swapping (in and out) as needed. Similarly, it works seamlessly with the Reaper Bones Nagendra miniature featuring an integral 25mm base that initially resisted but ultimately clicked into place with gentle persuasion - no glue required.