Surface from Points trouble

[anon78208900]

Creating Terrain from Contours

hi @phileas.schulhof , It seems you got caught by the duplicate post patrol @Joseph_Oster is generous, but you have to be disciplined in your inquiry. because the tutorial you’re following does not show to you what to do when your situation isn’t the same as in the tutorial long story short: you must account for trimmed vs untrimmed, hit vs no hit (when dealing with projections/mesh ray), luck, fate, Rhino’s mood, tolerance, your own mood and tol…