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I'd like to project stairs on selected landscape object, like on image below. Blue lines are shape of the stairs red vertices should be moved on certain number to match shape. enter image description here

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You can get the raycast hit Z min/max or average position on split edges domain. Then just set the position, convert mesh to points and then points to curves

see here: terrain stair

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  • $\begingroup$ Thanks, good approach but I need separate stairs not joined with landscape. My question is not clear I see. Sorry for that. $\endgroup$ Commented 2 days ago
  • $\begingroup$ Ok, after some adjustments I've made to do what I need. So I mark it as resolved. THANK YOU. $\endgroup$ Commented 2 days ago

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