i was able to that also, using bandai action stands..but my approach was different from mr. chen, i use the original clip for the head of yamato, cut and sanded it down then superglued it to bandai's clamp. (sadly, i cannot use the head clip anymore if i have the budget for mighty blocks)
stable if you dont put it near an electric fan
i also did this custom stand.. using an external CD-ROM base..paint it to DYRL holster style
or you could be imaginative by putting a glue gun (for temporary adhesion, and no damage to sticker/plastic)