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 ergonomia técnico tecnologia Ergonomista
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 desenho técnico arquitetura Compasso de desenho
A (pair of) drawing compass(es). Similar to the other in my collection except this one includes the adjusting wheel. escola educação desenho Bússola 2
It would be great if you drop me a line if you used this Illustration. técnico concepção de plano de fundo padrão 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. desenho de medição escola Régua azul 2