Help Needed - Got Stuck!

Hey guys,

For a school assignment, I need to be recreate the image attached and I don't know what to do next. I'll send you what I have already in a grasshopper file and a screenshot. Can anyone please help me? I'm quite new to grasshopper. Thank you all!

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Permalink Reply by David Rutten on October 1, 2016 at 1:33pm

Hi Nadine,

it's a bit hard to figure out exactly that the target image is supposed to be, it looks like a bunch of triangular prisms, but I can't quite work out how the corners and extrusion vectors are defined.

The top points at least appear to be the same as the top two corners in the x-shaped truss you already have, while the bottom point appears to be in the middle of the two bottom corners. You can use the Average component to find this middle point. Or you can create a line and evaluate that line at the 0.5 parameter, that will also give you the middle between two points.

Once you have your three triangle points, you must create a [Polyline] though them (use the Closed=true option), or you could immediately create a [4Point Surface].

The last step is extruding your base triangle, and I don't know what the rules are for this.

ps. You know that your teachers are probably reading this forum right?

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