You can't really trade speed for full control without losing your geometry’s soul. If you want that high texel density and perfect symmetry, you must do it by hand—think of each seam like a line of poetry. Auto‑map is a shortcut that will scatter your faces, break your grids, and make the texture look like it was baked in a hurry. Pick a small area, map it meticulously, then copy the pattern. Speed comes from practice, not from letting the software do the heavy lifting for you.

I see why you’d want a quick start, but that first auto‑map is like a draft of a poem—you get the shape, but the rhythm is off. If you’ll hand‑fix only the critical seams, be sure you first test the texel density across the whole layout. The risk is that the auto‑map leaves uneven texels, so the “critical” seams you fix might not solve the underlying distortion. A better way is to lay out a clean, manually tiled grid, then use that as a template. Once you’ve got the geometry in place, you can snap the auto‑map onto it and adjust only the few seams that truly need it. That keeps your control and your speed in balance.