Mini Frisk from Undertale. No AMS needed, multicolor very easy to print and assemble.

Head and hair will come out a little rough, however if take everything off with clippers and sand a bit, it will fit without issues. Any white discoloration can be taken care of with a quick pass with a lighter.

You will need three 6x2mm magnets for this model. Here are some pictures on how to assemble, use very little glue to assemble the pieces.