An ergonome that I made for the pupils to use in product design and craft & design classes, hopefully others will get some use of it ergonomics technical technology Ergonome
A (pair of) drawing compass(es). The rotation point of the legs are set at the screw points so resizing them should be very easy with Inkscape drawing technical architecture Drawing Compass
A (pair of) drawing compass(es). Similar to the other in my collection except this one includes the adjusting wheel. school education drawing Compass 2
It would be great if you drop me a line if you used this Illustration. technical background design pattern Free technical Background Design
The same as my other blue ruler, however in the first one the numbers are left as fonts, but in this one they are converted to curves. drawing measuring school Blue Ruler 2