i make a sketch and i want to extrude , but creo don't allow me to extrude because i have intersection
i want to make a trick ... i want to make there circle in my case as construction circle and when i exit i want to see in exterior from sketch , i create a three points but i do not see in tree to use as refference and create three holes.
can somebody give me a solution for my problem ?
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yes your answer is good but my idea is to use construction lines in other extrude for example as refference
is a posibility for this?
somebody have other ideas?
You can't use construction lines outside of the sketch, they are for construction of the sketch only.
If you add a datum point within sketcher, it creates a point you can use as a reference (or an axis if it's a sketch within an extrude.