I prefer a slightly modified version of the Steve Wells and Joe Zokaites
protractor. A4 PDF with 1:500 and 1:1000 protractors
at:http://hmg.three-tuns.net/media/surveysymbols/protractor-simple.pdf
We've also tried some colour versions of the Therion protractor:
http://hmg.three-tuns.net/media/surveysymbols/protractor-mix.pdf
We use a colour laser printer, cut out each protractor, and then "laminate"
them individually by covering them several layers of clear sticky tape. The
tape needs to be wider than the protractor, so you can place the protractor on
the tape and then fold the tape over along the ruler-edge side of the
protractor. This gives you a nice smooth ruler-edge for drawing your
centreline.Â
We tried using a thermal laminating machine. It was fine as long as we left a
border of laminate around the edge of the protractor. But if we trimmed it
flush with the protractor's ruler-edge, then the laminate invariably started
splitting after only a few trips.
Cheers,
Erin
On Tuesday, 23 June 2015, 5:00, Martin Sluka <martinsluka at mac.com>
wrote:
> 19. 6. 2015 v 13:32, Wookey <wookey at wookware.org>:
>
> Years ago Martin S sent me some really nice robust ones.
It was âprintedâ on film in imagesetter machine
(https://en.wikipedia.org/wiki/Imagesetter). Then laminated by thermal
lamination films.
You may find working imagesetters in companies which are doing silk-screen
printing or screen printing.
m.s.
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