I'd like to use the following model and modify it (a caster with brake and base for fixing to a table):
http://sketchup.google.com/3dwarehouse/details?mid=689d960f13da57a6d3dad974dc098fa1&prevstart=24
I import the model but am not sure how to do the following - would appreciate a pointer:
(a)How does one measure and scale the circumference of the wheel eg the red and or black parts ?
(b)If you look at the caster on the side opposite to the breaking mechanism, the base for mounting
to the table is extending a distance further out than the circumference of the wheel - how
do I measure that distance in case I want to move the base ?
(c)If I need to delete the base and the short cylinder on which it rests, how would I add another
cylinder and different base so that they are properly centered or off-center as needed
(having trouble with alignment and moving eg a square base to center it on a cylinder)