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Found a source for 6 1/50th scale tanks, decent quality from this link https://vk.com/page-13137988_54167495translate to whatever language you need...
click on the link for KV220 ( link next to Yandex Disk and GoogleDisk )
at the bottom of the page are links to 5 more pages... just follow the links
not bad for FREE.. and greebles can make them really nice. Could even up-scale a bit and have better base to work off of!