I could have had some made for over 4 digits! Didn't need 10KG (how many ever thousand feet that would be) especially without knowing if the same dimensions would be optimum or not. Got an idea for accurately cutting the .05 MM sheet of NI200 I have. I have an old XY plotter (couldn't bear to get rid of something that costs 4 digits originally even if it is only worth scrap metal price now days) that I looked up the specs for. It has .1 MM steps so I'm thinking about rigging up a round blade cutter in place of the pen holder and running it back and forth till it cuts then jogging it 6 times (for first test at .6 MM) on the other axis and doing it again. Just need the time to do it.
Thought about an Exacto blade (you know, the ones that make your fingers bleed when you just look at one) as a cutter. Jury rigged a fresh Exacto blade to the XY plotter. Had to find something with a parallel port and that I could send custom character sequences to it. Dug up a Z80 that I made in the early 80's, had to decipher what power supply it needed and jury rig one, then had to find a real TV to hook up to it since I rigged a modulator in it set to channel 3 (hot set up for the day). Only to find that the 8255 apparently has lost one channel of I/O in it's long sleep. So I dug out an old trash 80 model 4P (P was for portable, as if anything with a CRT in it weighing in at probably 25 pounds is portable) only to find that it had lost horizontal sync. Well I used to be a TV/radio bench tech at one time (as in one time before CD's) and figured bad electrolytic cap so I pulled it apart and the monitor seemed to be just fine. Did some Googlefu and found an old forum archive post about the motherboard having a PLL that was the heart of the video hardware and there is a trimmer cap that over time will put the feed from the motherboard out of sync. Turns out it is next to impossible to get to and have everything hooked up to be able to adjust it with the thing turned on. (which it has to be turned on to be able to adjust it) Smoked some brain cells but I figured out a way without electrocuting myself or frying any electronics and got it adjusted. Found a TRSDOS floppy but the 5 1/4 floppy drive in bay 1 wouldn't run up to speed. Swapped the drive from bay 2 into bay 1 and booted up TRSDOS. Now were cooking with.......wait a minute,,,,,,that isn't a DB25 in the back of this thing, it's a card edge of the motherboard where it says printer port. Forgot that it takes a special cable for the printer. (the DB25 wasn't standardized till the '90's!) Couldn't find the cable no matter what spaghetti mess I dug out of dusty boxes. So I dug out an old AST laptop that had a DB25 parallel port. It booted! YEA! Loading Windows ............ ENTER PASSWORD ........... CRAP! What the blue blazes would I have used for a password that many years ago? Smoked some more brain cells to no avail. But wait ......... this is Windows 3.1 ........ seems to me I remember a
hack work around for the password? Booted to DOS and after many regressive DIR p, CD *****, CD\, repeat etc. I found the MSDOS directory and executable file I needed and (by sheer exhaustion at this point) lucked out and patched it correctly. Booted into dinosaur Windows 3.1 and then QBASIC. Hooked up the plotter and used LPRINT to send it a command to move the pen holder. BLASTED PLOTTER BALKED! Seems that decades of non use gummed up the works so the stepper motors were squalling trying to comply. Took the plotter apart and cleaned and lubricated all the cables and slides and bushings and bearings and put it back together. Sent it a move command and glory be it moved! Sent it a pen down command and it complied. Loaded up a piece of thin cardboard and set the Exacto blade to just cut into the cardboard. Loaded up a piece of paper on top of that and wrote a short QBasic program to slice the paper, and slice the paper it did! Revised the program to slice it, move over .6MM and slice it again and it gave me a .6MM wide strip of paper! Loaded up .05MM NI200 and ran it again and it gave me 2 thin lines. Ok, so modify the program to do each slice 100 times each. Now it gave me 2 thin but shinny lines. Ok, so modify for 1000 times each. 2 slightly wider very shinny lines and a dull Exacto blade.
So, if anyone needs any thin pieces of paper in widths that are a multiple of .1MM I can make them.
NI200, not so much.
Poop!
Wish someone would just sell it. I bought something recently that a site called clapton wire and thought I was getting something special. I just paid a bunch of money for plain old cut wires,.....
just PM me your address 
