Google sketchup kind of simple yet lacking some aspects like not showing snapable locations unless you mouse over them specialy when you want to find then center and has a hard time to coppyng things.
Tho once you get the hang of it it becomes fun to play around in.
i made some chess pices and some gears.
tested blender i havent fully gotten the hang of it yet except the basics but im learnig how to use it from Udemy.org
files for the in blender and sketchup
sketchup BLender
I cant find the gear designs wich i seem to have missplaaced somewhere.