# Help beginner python script (functions and classes)

Hello everyone!

I am a beginner with Python for Rhino and I would need your help with the following script.
I am trying to generate “Tooth” in-between two surfaces that I would later extrude, it would look like this in the end:

model 30.12.3dm (9.9 MB)

Python script:
30.12 teeth program 2.py (6.4 KB)

In the Python script, I created two classes, one for the plates and one for the tooth in-between. I am now trying to figure out how to generate the tooth. I first intersected two surfaces/planes, to get the line in-between. Then I divided the line into multiple ones and in the function “Projectlines” I try to move those curves following a vector. But there are no concrete results and I can’t figure out where the problem is.

Also another issue: I have to select the curve in-between the two surfaces (in the function: ExtendCurveLenght) and I would like somehow to just use the curve I get from the previous operation, without having to select it. Didn’t manage either!

I would be very thankful if anyone could give me some cues and maybe solutions

Happy holidays season and happy new Year!

Welcome,

Are looking to do something like box joints between two surfaces with your script?

Here are some issues that I saw right off the bat. There might still be others.

``````def Projectlines (self, line_ids, extrusion_depth):

line_ids = []  # OVERRIDES line_ids WITH AN EMPTY LIST

for id in line_ids:  #
points = rs.PolylineVertices(id)
vector1 = rs.VectorCreate(points[0],  points[1])
vector2 = rs.VectorCreate(points[0],  points[3])  # THERE IS NO points[3] SINCE LINES HAVE ONLY TWO VERTICES

normal = rs.VectorCrossProduct(vector1, vector2)

#target_points = rs.ProjectPointToSurface(points, surface_2, normal)