i made a large board like jonathan. on mine, i drilled and tapped all the holes for small machine screws. with 5 or 6 screws, if one should get in yer way, just move it to a new location. it would help to have a heavy vise.
i got some awhile back from micro mark. not sure, but i think it was tix. anyway, what i got will work on ss, and is low temp.\the printing on the tube is faded badly, so am not sure if it is tix. micro mark.com, or rio should have some.
that takes a lot of xtra time. get yerself a scanner. draw oversize, scan the drawing, then import into the program. even tho hi tech is involved, it's still your own unique work. saves a lot of time.
it's good you have the resources to take classes. you already have a foundation of knowlege for design, layout, etc. just focus on more practice. try incorporating a bit of h&c in your work routine. who knows, you may well excell after a few "real" hours of doing this technique.
there's tons of stuff like this on youtube. there's many that dabble in recycled metal art/sculpture. some very good, some, well, they need more practice.
there's a program called "inkscape". it used to be free. i think it would do what you want. as for printers, i never had one clog up. i have 3, and one rarely gets used, but works fine when it's needed. mine are hp.
replacing witxh 5x wont alter the fl. you need to get a .5 or a .3 objective on the bay. then, you may want more power, just go with 12, or 15x eyepieces.
i got a .5 for my leica. it was off by a milimeter in dia. i simply affixed the objective to the scope with hot melt glue.
the .5 will...