[nojster]

What kind of build is 75 keys without arrows?

A 60% (no arrow keys) has 61 keys (ANSI) and the next “bigger” one, a 65% has 67 keys and usually already arrow keys.

Is it some non-standard ergo mech build?

[function_seven]

> Is it some non-standard ergo mech build?

Basically this. Not really ergo, other than being ortholinear and having space between the resting positions of my hands.

Here's a photo: https://imgur.com/0UBSi74