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I'm new to CAD software, need help busy designing a trailer

Hi Guys,
I am totally new to using CAD software, im building a camper trailer as a project but i need help with actually creating it on onshape,
i kinda know how to use beams and the sketch part i do get (a bit)
what i want to know is if a create a sketch lets say on the top plane of a square how do i create another plane for the rest of the sides?
I am totally new to using CAD software, im building a camper trailer as a project but i need help with actually creating it on onshape,
i kinda know how to use beams and the sketch part i do get (a bit)
what i want to know is if a create a sketch lets say on the top plane of a square how do i create another plane for the rest of the sides?
0
Answers
any help would be greatly appreciated,
https://www.onshape.com/videos/sketching-basics-onshape
You can find more of these video's next to the help menu
Good luck
Take a look at this one,
https://www.onshape.com/videos/creating-weldments
Succes
It may be helpful to go through the first few courses on our learning center:
https://learn.onshape.com/collections/onshape-fundamentals-cad
To create new planes to sketch on, you can se the Plane feature:
https://cad.onshape.com/help/Content/cplane.htm
You shouldn't begin with busy project, I would rather take some old work project or hobby project to learn with - too much pressure might make you frustrate. It is possible to learn 3D modeling just using web and asking questions on forum, but if guys&gals in engineering school take courses of few hours a week for couple years or so to learn basics - you can't expect to pull out professional projects after few videos on youtube.
Of course it depends on person and even more on background but I suggest give it at least few months of intensive night training before putting any pressure on schedule. After ~20 years of 3D cad I would say learning never ends and that's what makes this so interesting.
Enjoy!