How to draw physics diagrams for teaching

[papageorge]

Good morning,

First of all I would like to express my congratulations for the forum ! It is very nice. I am new colleague in physics teaching and i would like to ask how can sb draw beautiful shapes like these :

wikipremed.com/interdisciplinary_course.php?code=010102

Does any special software exist does this job or I will have to use photoshop? Are any libraries available? Thanks in advance...

George

 

[joeseppe]

I'm not sure, i'd stick with photoshop.