Post by Ironnerd on Jan 23, 2022 20:22:53 GMT
These guys have 3D map pieces for your additive printer 
/https://files.cults3d.com/uploaders/14335722/illustration-file/b6eb72ff-196f-42f4-871f-8ef013186b09/20190722_200953.jpg)
This one looks like it fits the Catalyst pre-printed maps (although not all maps by the various Battletech owners were printed to exactly the same size, so beware)
Click image for link
And these guys have it already printed:
Click image for link