i just found this A1 automatic plate changer kit on aliexpress for £72.39 plus shipping and tax etc see url link looks pretty cool typical though i just upgraded to the A2L lol
Then rather have this set - you can print out the parts yourself - for $33.58
…or this one for $38.
https://cults3d.com/en/3d-model/tool/autoswap-bambulab-a1-plate-changer-upgrade-kit-v1
Here’s another project that makes a very professional impression:

