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Problems doing Exercise 2 of Introduction to surfacing, step 4

I have 2 problems right out of the gate:
and
Best Answer
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Matt_Shields Member, Onshape Employees Posts: 632 PRO
Hard to know exactly what the problem is from the pictures, but sometimes Onshape will assume a constraint while you're sketching that you might miss. Try showing all constraints to see if there is anything extra in there. As for the Pierce, you want to select the virtual sharp of the conic, and a line in Sketch 1.
Here is the functioning sketch:
https://cad.onshape.com/documents/7b265f9547ea96d0c8af0858/w/a086dde488156e48d7b16a86/e/0a390287ade390e01add5d8b0
Answers
Hard to know exactly what the problem is from the pictures, but sometimes Onshape will assume a constraint while you're sketching that you might miss. Try showing all constraints to see if there is anything extra in there. As for the Pierce, you want to select the virtual sharp of the conic, and a line in Sketch 1.
Here is the functioning sketch:
https://cad.onshape.com/documents/7b265f9547ea96d0c8af0858/w/a086dde488156e48d7b16a86/e/0a390287ade390e01add5d8b
I figured it out. Thanks.